radiocomms asia-pacific jan/feb 2012

http://www.omnitronicsworld.com

http://www.ptp-group.net

www.radiocomms.com.au January/February 2012 - RADIO COMMS 3

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Radio Comms Asia-PacificJanuary/February 2012

on the cover 4

All buzz and radio talk 5

ARCIA Industry Gala Dinner 6

radio head 8 The future of radio

10 on your wavelength

16 Floods, cyclones and radio communications

23 Pushing radar designs to the limit with realistic signal scenarios

30 Shared networks: a blueprint for success

34 radio@work Zetron system dispatches

‘Flying Doctor’ to Australian Outback

Welcome back from the festive season.

As we all greet the new year, I come

back as the new editor of Radio Comms

Asia-Pacific, having taken over from

Mike Smyth, who will take on the role

of technical advisor.

From what I could see at last year’s

RadioComms Connect, there is much

happening in this vibrant radio industry.

New technologies and the components

to improve them were all part of a

scene of activity and optimism. The

event has grown in size and popularity

to the point of overflowing into the

concourse of the stadium.

The ARCIA Industry Gala Dinner

was a showcase for young members.

Dylan Bucktrout and Theo Goslett were

awarded the Sir Angus Tait Scholarship

and Apprentice Trainee Award respec-

tively. Although many people have been

worried about the future of the industry

in the past, it seems young people, like

these men, are becoming more involved

and bringing fresh ideas to the industry.

2012 will be seeing updates to the

P25 standard and new technologies

in the DMR and dPMR area. I will

endeavour to keep you covered on all

the latest news from these topics as

well as anything that comes up over

the coming year.

Now, as a newcomer, I would like

your help. As I have been told, the

radio industry is about the people. Even

though it spans around the globe, you

are all part of a tight-knit community.

I welcome your input on what you would

like to read about, whether it be more

down-to-earth case studies or technical

articles. Maybe you would like to see

more news as part of your read?

Whatever it might be, I am only on the

end of an email: rc@westwick-farrow.

com.au or a phone: (02) 9487 2700.

Kylie Rhodes, Editor

[email protected]

www.radiocomms.com.au4 RADIO COMMS - January/February 2012

on the cover

S

All material published in this magazine is published in good faith and every care is taken to accurately relay information provided to us. Readers are advised by the publishers to ensure that all necessary safety devices and precautions are installed and safe working procedures adopted before the use of any equipment found or purchased through the information we provide. Further, all performance criteria was provided by the representative company concerned and any dispute should be referred to them. Information indicating that products are made in Australia or New Zealand is supplied by the source company. Westwick-Farrow Pty Ltd does not quantify the amount of local content or the accuracy of the statement made by the source.

Print Post Approved PP247345/00004ISSN No. 1448-9201

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September 2011 total CAB Audited Circulation (Aust + NZ) 4,225 (84% personally requested)

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Head OfficeCnr. Fox Valley Road & Kiogle Street,

(Locked Bag 1289) Wahroonga NSW 2076 Australia

Ph +61 2 9487 2700 Fax +61 2 9489 1265 Editor

Kylie Rhodes [email protected]

Technical AdvisorMike Smyth

Chief EditorJanette Woodhouse

Publisher Geoff Hird

Art Director/Production Manager Julie Wright

Art/ProductionTanya Scarselletti, Katie Dean, Colleen Sam

Circulation Manager Sue Lavery

[email protected]

Copy Control Mitchie Mullins

Advertising Sales

Australia - Lachlan RaineyPh 0402 157 167

[email protected]

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USA - Huson International MediaEast Coast Ph +1 212 268 3344West Coast Ph +1 408 879 6666

[email protected]

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[email protected]

Asia - Lachlan RaineyPh +61 (0) 402 157 167

If you have any queries regarding our privacy policy please email [email protected]

Subscriptions: For unregistered readers, price on application

mart, flexible, reliable and future-proof, Omnitronics has responded to industry

demands with the release of the DX-Altus digital radio management system. Together with the Alto dispatch software, DX-Altus reaches new heights in radio dispatch and interoperability.

The DX-Altus is built on the company’s industry standard IPR technology and is designed to be both internet and user friendly.

Ultimate flexibility is provided by giving users a choice. DMR, P25, Tetra, SIP, PMR and dPMR are just some of the protocols that can work together on the one system. The advanced DRG-100 digital radio gateway translates voice and data into the same language, meaning differing radios and protocols will all be able to connect to the one network. Users are no longer restricted in their choice of protocol nor need to convert their entire network in one swoop. True interoperability is now within reach.

Choice is also available when it comes to the user-friendly GUI, Alto. Running on a Windows 7 PC, touch screen or keyboard, Alto is completely customisable. Administrators can choose which functions they wish to include on the system and what operators can and can’t see, right down to button size and colour.

The DX-Altus, DRG-100 and other IP components of the network can also be configured remotely through a web-based system, meaning administrators do not need to go on site.

DX-Altus also gives users the option of using more than just voice communications. Operators can send and receive text messages, make individual calls and manage emergency

situations more effectively. These functions and more are amongst the many capabilities now available with digital radio protocols such as MotoTRBO and P25.

DX-Altus is built on Omnitronics’ philosophy of modular system architecture, a key aspect of reliability. However, DX-Altus takes this even further by providing complete redundancy. Firstly, soft degradation has been included. For example, in the unlikely event that an operator’s module fails, a standby module will be switched into operation.In addition, if the Enterprise version of the DX-Altus is chosen, a whole-of-

system backup can be created with a seamless changeover to the backup system in the event of an outage. For organisations that cannot afford any communications downtime, this feature is invaluable and available in systems with a back-room server, unlike much of the dispatch software currently available.

The DX-Altus is also future-proof. Not only is the system

adaptable to any future changes in technology and protocol advancements, it also is easily expandable. As the DX-Altus runs over IP, it is simple to add a repeater or control centre, anywhere in the world.

In addition, the DX-Altus and other IP devices support a range of web-based diagnostic functions. It has the ability to remotely monitor the health of the system in real time using SNMP and other protocols. A number of diagnostic reports are also available to assist with future planning.

Get in touch with Omnitronics to ask for a demonstration.

Omnitronicswww.omnitronicsworld.com


and radio talkAll buzz

RadioComms Connect

The concourse - just a walkway to the two seminar theatres the previous

year - had exhibition stands all the way along, with the main exhibition hall full to capacity; a testament to how the radio communications industry and end users have embraced this event since its launch in 2007.

In addition to the exhibition, two concurrent presentation streams delivered technical papers and a range of case stud-ies, offering delegates access to over 40 speakers as they enthused about a wide range of issues affecting the industry. From LTE and spectrum planning and allocation, to the contrasting requirements of SCADA applications and the development of state-of-the-art microwave systems in Australia, there was something for everyone and much was covered over the two days of the conference.

The Plenary Theatre’s audience sat in silence during the opening keynote address as Garry Kerr of the Queensland Depart-ment of Community Safety presented a critical communications paper wherein he recalled events of last summer and showed footage of devastation wrought upon Queensland by both the floods and Cyclone Yasi.

Next up, Peter Clemons, Director of Communications at Teltronic and Director and Board member of TCCA (formerly the

TETRA Association), asked delegates “Does critical communications have a future in the broadband age?” A somewhat tongue-in-cheek question and one that was answered emphatically during his paper, which looked to open debate on the real issues facing the industry over the next 10 years or so.

Delegate Kevin Jacoby, Department of Defence, said it all, “The information in the conference was very informative and provided in-depth solutions to real-time issues and the very broad range of exhibi-tors assisted greatly in providing solutions to some of my very obscure requests for a variety of my radio comms requirements. I will certainly be attending future Radio-Comms Connect conferences.”

Other hot topics from the technical papers included the release of Phase II of the P25 standard; unlocking the power and performance of radio networks; testing in the digital age; safeguarding lone workers from possible dangers in the field leverag-ing converging technologies; the NBN roll-out and the future of digital mobile radios in the 21st century.

With the venue bursting at the seams, whispers there would be a change of venue for 2012 were confirmed by WF Media’s Event Manager, Paul Davis, “The Etihad Stadium has been a great home for us since 2008 and we’ll be sorry to leave; whilst it’s not purpose built for events

like ours, it’s proved very popular with everyone and has suited us just fine. We do need more space now though, and so, along with the ARCIA Industry Gala Dinner, we’re heading over the other side of the Yarra to the new Conference Centre at the MCEC. With its state-of-the-art facili-ties and great space, we’ll be well looked after and we hope it’s as popular as the Etihad has been these past few years.”

Held in conjunction with the confer-ence and exhibition each year, the annual ARCIA Industry Gala Dinner and awards night was a sellout too. Almost 500 radio industry professionals gathered at the Palladium at Crown, where high achievers and long-time members of the industry were recognised. For coverage of the night and a full line-up of awards winners, see page 6.

The increased numbers at this year’s conference, exhibition and ARCIA Indus-try Gala Dinner demonstrated yet again that the radio communications industry is very much on the up and appears to have some way to go. If you didn’t get the chance to attend this year, maybe 2012 at the MCEC will be worth a visit.

For further information see radio-commsconnect.com.au, where a short video of the event is available and access to many of this year’s papers is given under ‘Speakers & Topics’.

RadioComms Connect has done it again. With over 700 participants from across Australia and all corners of the globe, walking in to this year’s show felt like you were joining in a tight-knit community, buzzing with excitement; a room full of people, passionate about all things radio.


4

RadioComms Connect

ARCIA Industry Gala Dinner

What a night: close to 500 industry professionals and end users gathered at the end of day one of RadioComms Connect to celebrate all that is good within and about the radio communications industry in Australia. This annual event, fast becoming an institution, was once again the winner.

The Industry Excellence Award presentations are always a high-

light of the evening. In 2011, the most prestigious honour, the Jonathon Liv-ingstone Seagull Award, saw Craig Ross awarded for his significant service to industry, through which he has made huge contributions to charity. One such contribution, highlighted by Ian Miller of ARCIA, was Craig’s efforts to refurbish and donate preloved radio pagers to the Cancer Ward at the Melbourne Royal Children’s Hospital where they were used by parents with children either in the hospital or awaiting procedures, so that they could be contacted and kept informed, enabling families to lead as normal a life as possible.

Martin Cahill, of Pacific Wireless Com-munications, was also recognised for his involvement with both the radio com-munications industry over many years and with ARCIA. On the night, Martin received Life Membership of ARCIA for his efforts, some of which are reflected in the growth of the association in recent years. For Martin, his motivation and belief in what was previously seen as a flagging industry are well rewarded when he sees the progress that has been made.

The night was also a showcase for the young, as Dylan Bucktrout was awarded a Sir Angus Tait Memorial Scholarship and Theo Goslett from ComGroup was awarded the Apprentice Trainee Award.

Mobile Masters offered Dylan an apprenticeship in December 2010 and throughout his work Dylan had ex-pressed a keen interest in and passion for learning about the radio industry and is currently studying Certificate 3 in Electronics and Communications at polytechnic.

Theo was awarded for his attention to detail and strong problem-solving skills. In addition to being moved to the Victoria engineering and product devel-opment team after only 12 months, he has been recognised by his managers as

having potential to become a leader of the future.

Another newcomer to the industry, Elisha McCann from Kenwood, was awarded the New Talent Award. Elisha was nominated for her dedication in pro-viding excellence in service to her dealer channel, always going above and beyond in her level of service.

Other talented and respected award winners on the night included:

Jamie Baker, RF Industries, who re-ceived the Peter Wallace Award for his commitment to the industry. Many have come to rely on Jamie and his genuine and helpful advice; Damien Tyrell, the Professional Sales Award for his role at Motorola within the national miner-als and energy sectors; Vanessa Rayner, Customer Service Award for her profes-sionalism and willingness to go above and beyond for her customers at Mobile Masters; Nigel Porritt, AA Radio Ser-vices, the Technical Excellence Award for demonstrating his skills and talent in many different technical facets of the radio industry over many years and Neil Sutherland, the Engineering Excellence Award for his work at Nixon Communi-cations, including the design and develop-ment of a proactive test station for the mining sector.

With both the ARCIA Industry Gala Dinner and RadioComms Connect a sell-out this year, the strength felt within the industry about what it has to offer end users is clear. It appears to be a com-munity full of passionate individuals who truly care about what they do and how they do it and, in the end, that can only benefit those looking for radio communi-cation solutions.

Next year the dinner moves to a new home, ready for an bigger night with entertainment, awards and plenty of time for networking with industry colleagues, old and new.

For complete information on the 2012 ARCIA Industry Gala Dinner, see arcia.org.au.

Martin Cahill and Christian Kelly.

Ian Miller and Craig Ross.

Dylan Bucktrout and Christian Kelly.

Christian Kelly, Theo Goslett and David Cox.

http://www.harris.com


The future of radioPaul Ludvik, NSW business development manager, ComGroup Australia

In my 19 years within the two-way radio industry I have seen many changes and developments. I have seen the transition of radios using crystals, diode matrix boards, EPROMs and DSPs for programming and frequency changes, along with the introduction of data with MDTs, GPS and telemetry within the two-way radio medium.

Recently the industry has begun to move into the digital world with TETRA and P25 protocols, adding new vibrancy to the radio industry, as the government invests in P25 technology with a focus on interoperability and high-level encryp-tion. Within the Australian market, TETRA technologies are starting to gain real momentum thanks to the changes in the ACMA 400 MHz frequency band, allowing 25 kHz with 10 MHz or more frequency splits within 400 MHz high-density areas to cater for this technology. However, the new kid on the block is definitely DMR, which encapsulates the benefits of both P25 and the TETRA technologies.

DMR features may vary, but most vendors incorporate the following: two timeslots in a 12.5 KHz channel, giving you the benefit of either two voice chan-nels or simultaneous voice and data; some will incorporate duplex telephony while others offer in-built GPS options with their portables coupled with tier 3 offering DMR trunking; and let’s not forget benefits such as digital encryption along with digital audio quality. It was pleasing to see the response to our new Simoco DMR platform at the recent RadioComms Connect show. It’s not hard to see the indus-try is buzzing about digital radio.

The real challenge, as with any new technology, is the migration and transition period. DMR seems to manage this very well. However, the one thing that has been underestimated by some adopters is the higher cost and current consumption of either microwave links at solar sites to link multisite systems together, or the lack of DSL type services within the rural base sites. This has possibly been the hardest obstacle to overcome with the migra-tion to digital, but investments that are needed by organisations and industry will provide major benefits for years to come, and has now become the norm when planning a new radio system.

So the digital revolution is certainly alive and well, as we are seeing new play-ers within our space. And these newcomers are our friends from the IT world. With the integration of IP-based technology in the form of consoles, remote con-figuration and diagnostics, coupled with VoIP linking, we are seeing an RF control with an antenna fitted within an office being swapped out for a PC with a console application connected via DSL-type services.

The bridge between two-way radio, cellular and IT is becoming more and more apparent, with the onset of LTE or 4G adding to the mix, with the possibility of one day having two-way radios as an application on your smartphone. So who knows what is around the corner, but whatever the future brings, it is important that the radio industry embraces it and makes an investment in skills and training, so that we can better manage this transition and have some control of our market and destiny.

Paul Ludvik has been in two-way radio for 19 years, starting out as an appren-tice communications technician in 1993. Throughout his career he has worked in various technical and sales roles for many of the country’s leading radio solutions providers. In his current role as NSW business manager, ComGroup Australia, Paul is responsible for managing the lo-cal Parramatta branch and serving the NSW market.

“The new kid on the block is definitely

DMR, which encapsulates the

benefits of both P25 and the TETRA

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A name change for TETRA Association

Zetron equips QEOCRadio app will help rescuers

Experts from Kingston University, London, have developed a solution to ensure

breakdowns in communication are a thing of the past for emergency workers responding to disasters.

A team led by Dr Christos Politis has designed an internet-based technique to keep rescuers and their central control room in touch independently, rather than using central wireless access points or the TETRA police radio system.

The app, which can be used on an iPad or other personal digital assistant, will also allow emergency service workers in Britain to talk to counterparts across Europe on a secure system.

The research, funded by the European Union’s PEACE project, built on existing work into mobile networks, known as MANETs. These are networks of mobile devices which work independently and are connected by individual wireless links.

Rather than connecting through an external internet network, the new technique allows rescue workers to set up an independent communication system designed for their specific purposes at the scene whatever the situation or location - be it an underground tube station or next to a collapsed office block.

The design allows one of the mobile devices carried by a rescue worker to act as the super-node - a bit like a mini satellite - letting other mobile devices communicate with each other. As soon as a device passes a virtual intelligence security check, it can start to find others in the location.

Each worker can then talk or send video or data to individual workers or entire groups.

The devices can also be used to work with new sensors being created by research partners in the PEACE project.

“In the future the technology will also be able to act as sensors and pick up humidity levels, workers’ heart rates, temperatures, movement and pass these on to a central operator,” Dr Politis said.

business-critical voice and data services for at least the next decade, and we will continue to develop, promote and protect the TETRA standard worldwide.”

The TCCA will continue to promote open standards and industry cooperation.

The website is www.tandcca.com.

The TETRA Association has changed its name to the TETRA + Critical Communications

Association (TCCA).The name change is said to promote

the development and adoption of common standards and solutions for the users and providers of critical communications worldwide.

This change is in response to the growing demand from professional mobile radio (PMR) users for mobile broadband services. This demand may be satisfied by the capabilities of future and complementary technologies such as LTE and/or WiMax.

TCCA chairman Phil Godfrey commented, “Changing our name gives us the scope to better address these new opportunities whilst protecting the huge investment of users and industry in TETRA technology and systems.

“This change in no way diminishes our focus on TETRA. TETRA will be the primary, most important technology for mission- and

A 46-position instal lation of Zetron’s Advanced Communication (Acom) system

is in its final stages of deployment and testing at the Queensland Emergency Operations Centre (QEOC) near Brisbane.

Two main operations are housed at QEOC: the communications centre and the State Disaster Operations Centre. The Zetron Acom system installed at the communications centre will serve as the command-and-control point for the Queensland Ambulance Service, the Queensland Fire and Rescue Service, Queensland Corrective Services and Emergency Management Queensland.

Colin Allen, Operations Manager, QEOC, Queensland Department of Community Safety commented: “The new Acom system meets our operational needs well and gives us excellent

control and functionality over our radio systems.”

The Acom sys tem for the QEOC communication centre includes: 46 operator consoles; 10 analog PABX/PSTN interfaces; 156 analog radio interfaces; 10 utility audio interfaces; 46 PABX phone-to-console interfaces; and 10 digital, long-term logging interfaces that use E1 links from all console and radio lines.

“We worked closely with the QEOC to deliver a system that would meet their unique and exacting specifications,” said Zetron Australasia Vice President and General Manager, Ranjan Bhagat. “Zetron is committed to providing solutions that support public safety services throughout Australia and Asia and that also reflect a thorough understanding of local requirements.”

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TETRA + Critical Communications Association (TCCA)


Sepura supplies TETRA radios to Danish ambulance sector

Last year, the new digital communication system deployed by the five authorities

responsible for all hospital and emergency services in Denmark became operational, using Sepura TETRA radios. This is part of the migration from their legacy analogue infrastructure onto SINE, the Danish national TETRA network.

Sepura celebrates its 100% market share in the Danish ambulance market with Radiocom, Sepura’s valued distribution partner in Denmark.

Over 550 ambulances are now equipped with Sepura vehicle and hand-portable TETRA radios enabling critical voice and data communications between all paramedics and their command and control centres in each of the five Danish regions.

The first phase of the migration to TETRA technology follows the recent Scandinavian success of Sepura’s ambulance solution with three key Swedish health authorities.

The ambulance solution delivers swift and reliable communication to health service operatives in Denmark. It enables faster response times and more efficient service provision by combining two-way radio communications, messaging, mobile telephony and mobile data.

Sepura radios provide reliable uninterrupted reception, clear audio and use of data messaging

whilst offering ambulance organisations increased efficiency and faster response times in answering emergency calls. Voice and data messages are immediately and reliably relayed, saving precious seconds in answering calls.

The advantages offered to ambulance crews and control rooms by the ambulance solution enables crews to improve their service to the public.

DMR completes test sessions

The Digital Mobile Radio (DMR) Association has completed an interoperability test

session in Milan, Italy.Testing of the DMR repeater and simulcast

network infrastructure of Selex Communications with Hytera’s DMR terminals was carried out following the association’s interoperability process that defines a list of interoperability tests, suitable test methodology, testing laboratory criteria and a test result verification process for both conventional and trunked modes of operation.

Tests performed include voice cal ls (individual, group, broadcast and emergency calls), call alerts, radio check, remote monitoring, emergency alarm, radio enable and disable.

In addition, the association announced that DMR category one member Vertex Standard will hold an interoperability test session open to manufacturers for DMR-compliant products in the week of 13-18 June. This brings to five the number of DMR manufacturers actively involved in formalised interoperability testing.

Enhanced protection for quiet zone

The Australian Communications and Media Authority (ACMA) has enhanced the radio

quiet protections for the Mid West Radio Quiet Zone (RQZ) in remote Western Australia (near Boolardy Station), around 200 km east of Meekatharra.

The RQZ was established in 2005 to provide an environment that protects highly sensitive equipment, used for radio astronomy, from unwanted radiocommunications signals.

These arrangements protect the radio telescopes currently in place at the Murchison Radioastronomy Observatory, as well as those proposed in the Australian-New Zealand bid to host the square kilometre array (SKA).

“A clear regulatory framework to support radio quiet arrangements will further assist Australia to create the world’s best radioastronomy facility,” said ACMA Chairman, Chris Chapman. “This will provide a platform that should be ideal for future radioastronomy projects, including the € 1.5 billion SKA project.”

Mr Chapman said the new protection measures provide greater clarity and certainty to the arrangements that protect radioastronomy services in the RQZ.

“The new measures continue to provide for radio quiet while supporting the use of spectrum by other users and placing the lowest feasible burden on industry in the region,” said Mr Chapman.

He said the new protection measures will not significantly change the nature of spectrum access and radio quiet arrangements in the Mid West RQZ.

“This will enhance protection for the RQZ by upgrading the existing statements of ACMA administrative practice to more formal regulation,” Mr Chapman said.

The ACMA has released a response to submissions paper that outlines the rationale behind the final package of measures.

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The Viper narrowband, licensed, data radio in-troduces next generation radio technology that sup-ports the increased speeds required for IP connectivity, with up to 48 Kbps available from a 25 kHz channel.

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Radio interface unit

The radio interface unit (RIU) is one of the SwitchplusIP core building blocks and provides a seamless interface between radios and telephony assets using open standards VoIP technology.

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Surge protector

The Quick PRD surge protector provides protection against in-duced or conducted surges result-ing from indirect lightning strikes. The product features remote end-of-life signalling and requires limited maintenance. It is simple to install with an easy-to-earth terminal and it can be installed directly into the switchboard frame.

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Low-profile enclosure

The Verotec Slimline Wallbox is a low-profile 2.5U x 19″ enclosure suitable for telecom/datacom networking applications where equipment can be mounted verti-cally to overcome space restrictions.

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Because it comes in a range of colours, using a simple colour coding system can identify feeders. Using a wrap or two in prominent positions can make feeder ID easy from ground level.

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Network analyser

Express configurations have been introduced for the ENA series of network analysers. Express configuration products provide fast, off-the-shelf delivery of the most popular test and measurement configurations.

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T h e E 5 0 7 1 C E P ENA series analyser sets new standards in speed, accuracy and versatility and is the de facto industry-standard RF network analyser delivering up to 20 GHz per-formance.

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The E5061BEP ENA series analyser with options 115 and 235 provides high-performance 1- and 2-port network analysis, up to 3 GHz, at an affordable price. Enhanced digital processing capabilities improve the instrument’s throughput and efficiency for testing RF components, including cellular BTS filters/antennas, MRI coils, and RFIDs.

With option NZA it is a one-box solution for network and impedance analysis, covering a frequency range of 5 Hz to 3 GHz.

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Access server

The Access server AX4 from Bluegiga is a Linux-based wireless connectivity platform targeted at e-health, point-of-sale, proximity marketing, captive portal and long-range Bluetooth connectivity applications.

It integrates three Bluetooth class 1 radios, 802.11b/g radio and optional 2G or 3G modem.

The platform is supplied with built-in software that allows system integrators to build and deploy their own applications. The platform can be customised and local-ised with the software development kit that allows rapid application development. Remote network management can be handled with the solution manager software.

Key features include: embedded Linux operating system: ARM9 processor, 128 MB RAM, 1 GB flash; connectivity options: Bluetooth 2.1 + EDR class 1, high performance - 1000+ m ranger, range to class 2 Bluetooth devices - 60+ m, 801.11 b/g - client and access point mode, op-tional GPRS/EDGE or 3G modem, 10/100 Mbps ethernet with power-over-ethernet; built-in applications: Bluetooth marketing, captive portal, e-health, Bluetooth connectiv-ity; customisable and localisable with SDK; centralised remote network management with solution manager.

Glyn Ltd


Digital multimeter

The UNI-T model UT58E 19999 count digital multimeter measures AC and DC voltage, DC and AC current, resistance, capacitance, frequency and temperature. In addition, a diode and transistor test, continuity function and continuity buzzer are provided.

The instrument is powered by a 9 V battery, has a display size of 60 x 54 mm and is provided with test leads, battery, temperature probe, multipurpose socket and carrying holster.

The UT58 has low battery indication, data hold, and backlit display. The DC voltage range is 200, 2000 mV, 20, 200, and 1000 V. AC voltage is measured in four ranges: 2, 20, 200 and 1000 V. DC current is measured in three ranges: 20 mA, 200 mA and 20 A. AC cur-rent is measured in three ranges: 20 mA, 200 mA and 20 A. Resistance is measured in five ranges: 200 Ω, 2000 Ω, 20 kΩ 2 MΩ, and 200 MΩ.

Temperature is measured from -40 to +1000°C and frequency is measured to 20 kHz and capacitance on four ranges, 2 nF, 20 nF, 2 µF and 20 µF.

Power Parameters Pty Ltd



During the worst part of the Queens-land floods, the Department of

Community Safety and other public safety agencies used two-way radio to support front-line incident response and recovery. The department delivered ambulance, fire, emergency and disaster management services through a single agency.

Kerr told his audience that, with three quarters of the state declared a disaster zone, ambulance and fire received 14,349 Triple Zero emergency calls, which on average were over 1500 more calls than usual. There were over 560,000 transmissions on ambulance and fire radio networks across the state during the flood period.

The ambulance service in the Bris-bane region handled 5236 emergency Triple Zero calls. The radio network managed 44,734 radio transmissions, totalling 143 hours of talk time, or 74% utilisation, which was 30% above the average.

All radio networks in Brisbane and across the state handled the workload well, with all operational ambulance and fire radio sites maintaining serviceability

during this time. The solar sites with wind generators functioned well, keep-ing the batteries charged and opera-tional he said.

Queensland was still recovering from the flood when tropical cyclone Yasi crossed the coast at Mission Beach just after 2.00 am on 3 February 2011. The cyclone unleashed winds of up to 290 km/h. The hardest hit communities were Cardwell, Tully, Innisfail and Mis-sion Beach, with major flooding in the Townsville, Ingham and Giru areas.

At this time, the Firecom commu-nications centre in Cairns undertook a controlled handover of the northern region radio network. In addition to this, the Triple Zero telephone calls to Firecom Townsville were programmed to immediately divert to other Firecoms around the state with no delay to call response times.

The hand-over of control worked by connecting both the Far Northern region and Northern region networks together at the Mt Cudmore radio site. Both networks were configured for wide-area operation so, when Cairns Firecom keyed a repeater in its radio

network, all repeaters in both regions keyed simultaneously, providing one workgroup all-informed capability. An-other option available was to use the radio management systems to activate RoIP services to connect into each region’s networks.

Swift Water Rescue teamsThe Swift Water Rescue teams that worked during the disasters relied heavily on radio communications. The teams rescued people from swift-flowing water and floodwater and encompassed areas such as natural waterways, weirs, stormwater drains, floodways and inundated streets.

Rescuers worked under life-threat-ening conditions and radio communica-tion devices needed to be ruggedised, reliable and as waterproof as possible. The Swift Water Rescue teams used waterproof radio harnesses, helmet coms and hands-free devices. Rescu-ers also used whistle, voice and hand signals to communicate with incident command due to the significant envi-ronmental noise.

RadioComms Connect

While radio played a major role in alleviating some of the worst aspects of Queensland’s 2011 floods and cyclones, there were times when the technology was stretched to its limits. Here Garry Kerr, manager of system support devices at the Queensland Department of Community Safety, describes some of the challenges that face radio operators and technicians during the crises.

Floods, cyclones and radio communications


Establishing incident communicationsAlthough many networks had run into complications, the fire radio network in the Brisbane region operated normally as a conventional wide-area PMR net-work. During its operation, when one radio site repeater was activated, all re-peaters across the region were activated simultaneously.

When establishing incident communi-cations, one consideration was to isolate a selected radio repeater from the existing network. Alternatively, precon-figured dedicated radio communications channels could be allocated specifically to incident and emergency situations. This method worked well as it ensured uninterrupted communications at the in-cident zone, and allowed the operations radio network to function as normal.

Townsville ambulance service backup communicationsThe ambulance service in Townsville had a different story. As part of its planning, it had activated its backup communi-cations centre that provided support services to the main communications centre.

In the hours after Yasi crossed the coast, there was no communication with Palm Island and Ingham. This suggested there was a problem at the Townsville

Castle Hill radio site that had a UHF talk-through repeater service for ambu-lance to use throughout the Townsville area, Kerr said.

For this area, ambulance operations were able to use the Mt Stuart repeater as a backup to Castle Hill. A stand-by radio system that communicated to Palm Island was installed at the commu-nications centre and, using the standby system, radio communication was estab-lished between the ambulance communi-cations centre and Palm Island.

Ambulance operations in Ingham changed their channels to Palm Island to communicate with Townsville. With all appropriate business continuity plans and procedures in place, the ambu-lance service continued operations as normal.

501 Tango cyclone preparationsFires incident command unit 501Tango was prepared for the cyclone. The unit travelled from Brisbane and set up

RadioComms Connect

501 Tango QFRS incident command unitMt Mackay radio site provides coverage to Tully and adjoining areas.


a staging area and command post in Mareeba near Cairns. After Yasi passed through, Tango travelled to Tully and was placed into operational readiness for any specific incident requirements such as search and rescue, particularly swift-water situations.

The Tango and crew managed and provided support for large-scale emergency incidents. Services included email, printing, mapping, VoIP, external cameras, radio communications, wire-less capability and computer-aided dis-

patch. The unit also supported NextG data services, video conferencing, audio visual and satellite connectivity.

Recovery operationsThe recovery operations included inspecting all radio equipment for damage. Locations included radio sites, ambulance, fire and SES stations and it took 22 days after Yasi subsided to complete all site inspections.

Access to radio sites was one of the biggest challenges. Technical teams

“Casualties and rescuers worked under life-threatening conditions and radio

communication devices needed to be ruggedised, reliable and as waterproof as possible.”

RadioComms Connect

attempting to reach various radio sites were delayed sometimes by inacces-sible roads and tracks and, in some cases, roads that were washed away altogether. In some cases helicopters were used to help technicians reach radio sites when road access was not possible.

An inspection following helicopter-only access showed that the antenna towers had been damaged by high winds although the radio equipment remained operational. The wooden towers are being replaced with steel monopole towers, he said.

The Mt Mackay radio site, normally managed from the far northern region operations, provides radio coverage to Tully and adjoining areas, providing ser-vices to ambulance, fire, EMQ, Queens-land police, electrical utilities and many commercial businesses.

Kerr mentioned that overall the radio sites worked well. While some sites lost serviceability during the cy-clone, the Queensland Department of Community Safety’s business continu-ity planning, incorporating the use of redundant radio services and dedicated incident channels, allowed the opera-tional divisions to continue their service delivery to the communities, without compromise.

Qld Department of Emergency Services


http://www.icsindustries.com.au

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http://www.apcoaust.com.au/2012


newproducts

Job management software

Job Management Software was developed with radio communications contractors in mind as it is suitable for small contracting businesses of 1-6 employees. It is a job-centric system that automates operational processes.

It will provide a snapshot of every quote, project and maintenance/service job that is open. Automation and simplification of processes allows employees to better use their time.

For example, a radio and communications company can proactively control materials and labour costs, create quotes, convert quotes to jobs and schedule employees all in the same system.

The package will take care of: estimating; purchasing; scheduling; job management; stock control; invoicing; accounting software integration; and plumbing industry price lists.

It is a browser-based system with no software to in-stall and the account can be accessed from anywhere.

simPRO Software


Surge protection

The CSMA-LAMBDA/4-2.0-BS-SET coaxial protective adapter protects radio sys-tem antenna connectors for narrowband signals with a frequency range from 1.7 to 2.3 GHz.

The adapter is suitable for use with antenna con-nectors in cellular teleph-ony and wireless systems.

The protective element is a λ4 rod that short-circuits

surges lying ±15% outside the nominal frequency of 2 GHz. This technology provides a protection level without interfering with the useful signal. The protec-tion device set consists of a surge protector and SMA connector adapters.

It can be installed directly into the antenna line or on the terminal device without the need for an additional adapter cable. The CN-UB/MP mounting plate facilitates installation in the control cabinet.

Phoenix Contact Pty Ltd


http://www.rfi.com.au


newproducts

RF measurement instruments

Aeroflex has expanded its S-series family of benchtop RF measurement instruments. Two S-series digital signal genera-tors, the SGD in both 3 GHz and 6 GHz models, and two vector signal analysers, the SVA, available in a 6 GHz and a 13 GHz model, have been added.

The SGD-3 and SGD-6 both f e a t u r e + 1 3 d B m o u t -p u t p o w e r , w i t h a +20 dBm option. They incor-porate an IQ modulator with 300 MHz RF bandwidth, which can generate wide bandwidth

modulated signals. A dual-channel arbitrary waveform generator (AWG), op-erating at up to 250 MS/s, with memory options up to 4 GB, offers faster waveform generation and the ability to store multiple signals. The embedded IQCreator waveform generation tool enables the user to set up a modulation scheme and create an AWG file using modulation templates.

The SGD has low single sideband phase noise of -135 dBc/Hz at 1 GHz offset, and a frequency settling time of 100 µs, enabling accurate receiver testing with a significant reduction in measurement time and cost. The high dynamic range of the IQ modulators provides for an adjacent channel leakage ratio of -71 dBc on WCDMA signals, enabling the user to design and test amplifier performance to higher specifications.

The extended frequency range, up to 13 GHz for the SVA-13, allows the instrument to be used for analysing second harmonic performance of signals in popular communications bands. A wide maximum instantaneous bandwidth of up to 90 MHz makes it suitable for measuring and analysing both narrow- and wide-bandwidth communication systems.

Peak signal power levels up +30 dBm can be input directly to the instru-ment. With a maximum sensitivity of -148 dBm/Hz, very low level signals can easily be discriminated from noise when measuring transmitter spuri-ous outputs.

Vicom Australia Pty Ltd


Power monitor

Available to rent, the Dranetz-BMI Power Xplorer PX5 accurately captures low-medium-high frequency transients through peak, waveshape, rms duration and adap-tive high-speed sampling.

It provides good power quality survey and diagnostics through the Drain-View 6 software. The PX5 features a colour touch screen for easy navigation.

It features: 400 Hz measurement ver-sion; 8 channels, 4 voltage and 4 current;

AC/DC applications; HD/TID harmonic and interharmonic spectrum to the 63rd.

TechRentals


www.radiocomms.com.auwww.radiocomms.com.au

http://www.idc-online.com


Pushing radar designs to the limit with realistic signal scenarios

Addressing these demanding scenarios requires an arbitrary waveform gen-

erator or signal-scenario generator that has two key attributes.

The first is a design that provides wide bandwidth and high resolution simultane-ously. The second is built-in capabilities that support the creation of long, complex signal scenarios.

The Agilent M8190A SSG has 14-bit resolution at eight gigasamples per second (GSa/s) or 12-bit resolution at 12 GSa/s, and offers two modes that ensure good signal fidelity at high frequencies.

It also enables long playback time with up to 2 GSa of waveform memory and a variety of sequencing capabilities.

Today, typical AWGs force system crea-tors to make a trade-off between units that offer either wide bandwidth and low resolution or limited bandwidth and high resolution.

The respective levels of performance in both bandwidth and resolution depend

on the digital-to-analog converter used in the AWG.

Bandwidth is limited by the DAC sample rate and accuracy is affected by the quality and performance of the analog components used inside the device.

Agilent researchers have developed a way to eliminate the spurious signals (spurs) and distortion present in typi-cal DAC designs. The approach focuses on the beginning of the signal-generation process, reducing the need for filtering at the end of the signal chain.

This is based on two key ideas. One is to let switched current sources settle within the DAC. The other is to resample the signal with a special low-noise clock before outputting the simulated signal.

The resulting DAC output provides spurious-free dynamic range of up to 80 dBc, which is much better than most other designs can achieve.

At 8 GSa/s, the DAC typically delivers 75 dBc SFDR (excluding second and third

harmonics) across an output frequency range of 0 to 3 GHz.

One of the most important design choices was the decision to use a low-temperature, multilayer ceramic substrate. A package with many layers is necessary to meet specifications for noise and spuri-ous response.

The net result is good performance at high frequencies. As implemented in the M8190A SSG, the ability to achieve high resolution at high frequency gives system developers greater confidence that they are testing their design, not the signal source.

To create realistic signal scenarios, an AWG or SSG needs more than raw DAC technology. Three additional attributes enable sufficiently long playback times: waveform memory, advanced sequenc-ing capabilities and real-time access to individual memory segments.

The SSG can be configured with 128 MSa (standard) to 2 GSa (optional) of

rf testing

In the development of next-generation radar and electronic warfare systems, typical test scenarios include simulations such as low-observable signals mixed with ground clutter and environmental interferers.

Beate Hoehne, product manager high-speed AWGs, Agilent Technologies


waveform memory per output channel. With 2 GSa installed, the maximum playback time of a single waveform is 180 ms at the highest sample rate.

The absolute quantity of waveform memory is important. However, using the available memory efficiently enables a concept called memory gain. Typi-cal AWGs consume memory space by requiring multiple occurrences of identi-cal segments that are repeated within a sequence.

In the M8190A, sequencing capabilities such as stepping, looping and conditional jumping make it possible to create such segments once and re-use them pro-grammatically as needed. These capa-bilities can be applied to waveforms or waveform sequences.

Specific to the M8190A, up to 256,000 segments can be stored in memory and up to 4 billion loops can be defined for each segment.

Beyond the sequencing of individual segments, it’s possible to set up a series of advanced sequences. This enables us-ers to build and playback highly com-plex scenarios comprising one or more sequences.

The third attribute is a hardware-based dynamic sequence-control input. This eight-bit bus is used to enable immediate or synchronous switching be-tween segments or sequences. Immedi-ate jumps interrupt the active segment or sequence before completion; synchro-nous jumps wait until the active segment or sequence is completed.

The actuating signals can come from the unit under test, another instrument within the system or any other external device.

Software is a fourth element in the solution set. Examples include Signal Studio from Agilent, MATLAB from MathWorks and LabVIEW from National Instruments. These provide an environ-ment for signal creation and the results can be downloaded to the SSG’s memory for playback.

Two versions of Signal Studio are especially relevant in aerospace and de-fence applications. Signal Studio for Pulse Building (N7620A) simplifies the creation of complex pulse patterns for testing ra-dar receivers. SS for Multitone Distortion (N7621A and N7621B) can be used to create multitone and noise power ratio signals for testing satellite transceivers.

Another useful application is Agi-lent’s SystemVue electronic system-level (ESL) design software. The Radar Model Library for SystemVue (W1905) includes predefined radar signals that can be

selected and loaded into, for example, the M8190A.

The library also provides more than 35 highly parameterised primitive blocks and higher-level reference designs that can be used to create a working radar system.

The block set and its example work-spaces serve as algorithmic and architec-tural reference scenarios to verify radar performance with a variety of signal conditions: target and radar cross-section scenarios; clutter conditions; jammers and environmental interferers; and differ-ent receiver algorithms.

AWGs and SSGs provide important benefits in the development of present and future radar and EW systems. The greatest technical advantage is the possi-bility of creating simulated signal sce-narios with enhanced realism. This helps minimise the need for costly flight testing and enhances the flexibility of ground-based testing.

From a business perspective, greater flexibility makes it possible to test mul-tiple radar or EW designs with a single measurement system, enhancing system re-use. Further, modules such as the M8190A are based on commercial, off-the-shelf technology such as AXIe. A modular approach helps reduce the size, weight and physical footprint of the test system.

To address a variety of measurement needs, the M8190A offers three soft-ware-selectable output paths: direct DAC, DC amplifier and AC amplifier. The direct DAC path is optimised for the generation of in-phase/quad-rature signals that offer superior SFDR and harmonic distortion.

Key attributes include 5 GHz bandwidth, amplitude range of 350 to 700 mV peak-to-peak (fixed off-set), differential output and rise/fall times of about 50 ps (20 to 80%).

The DC amplifier path is opti-mised for applications that require serial data and time-domain meas-urements. Important capabilities include differential output, amplitude range of 600 mV to 1.2 V peak-to-peak (from -1.0 to +3.0 V), rise/fall times of about 35 ps (20 to 80%) and a Bessel-Thomson filter to ensure low overshoot.

The AC amplifier path is designed for the generation of direct IF/RF signals. This output is single-ended and AC coupled with a power range of -10 to +10 dBm.

“The resulting DAC output provides spurious-free dynamic range of up to 80 dBc, which

is much better than most other designs can achieve.”



rf testing


newproducts

Portable embossing tool

Site-based cable labelling is easier with the Panduit MEHT187. The tool features a multifunctional cutting die design that creates embossed marker plates with raised cable tie slot in one step instead of three, for faster installation.

Lightweight and portable, the embossing tool easily moves from one job site to another, allowing users to create custom length identification on demand. This system embosses 5 mm characters onto stainless steel or aluminium tape, to improve visibility in applications that are subjected to dirt or paint.

The system is sold as a kit that includes the tool, an additional marking wheel, carrying case and one roll each of aluminium and stainless steel tape.

RF Industries Pty Ltd


Heavy-duty transit antenna

The TRNB series heavy-duty, ruggedised transit antennas from Panorama Antennas are suitable for any overground or under-ground railway project requiring RF antennas.

The internal elements are protected by a low-smoke, flame-retardant, yet high-impact plastic radome, which at less than 100 g weight con-forms to many require-ments for plastic weight in underground/metro systems.

Inside the radome the main DC grounded an-tenna element is avail-able in 380-520 MHz (banded) and 700-2700 MHz wideband variants, both with the option of an additional 26 dB surge-protected GPS el-ement. This low-profile antenna is certified in accordance with strict in-dustry requirements and incorporates the industry-standard, four-hole, rail-mounting configuration.

The series has been adopted for use on lo-comotives around the world, both in the com-mercial and industrial (mining) sectors, and can also be used on rug-gedised vehicles within quarries and other harsh environments.

Panorama Antennas Australia


http://www.rohde-schwarz.com/ad/fsw


now available online!

NEW White Papers

For these and more White Paper downloads, visit www.radiocomms.com.au/white_papers

Networking voice communication and control systemsThis technical paper steps through a real-life case study which

culminated in a hybrid voice communication and control system

(VCCS) with a fully digital, totally non-blocking voice communication

system with a distributed, parallel operating core that provides

high-reliability, fault-tolerant voice communications.

Automated Test Outlook 2011: Key technologies and methodologies impacting the test and measurement industryThis report details key trends, methodologies and technologies

impacting test engineering organisations in every industry. The

Automated Test Outlook combines input from academic and

industry research, business intelligence and customer advisory

boards. Read this white paper for more information.

2011 trends in web-driven service and supportNot long ago, service and support vendors and practitioners could

discuss their industry and mention the internet in passing - a

novelty that might someday hold promise as a platform for their

customer-facing applications. Read this white paper to review the

2011 trends in web-driven service and support.

newproducts

Spectrum analysis course

A six-module, web-based e-learning course covering the fundamentals of spectrum analysis is available free on the Anritsu website at http://www.anritsu.com/en-US/Services-Support/Training-Education/eLearning/Spectru-mAnalysis/index.aspx.

The modules allow users to learn at their own pace and at a time and place of their choosing. Each module takes about 45 minutes to complete and includes a test with the opportunity to print out a training certificate after successfully completing the test.

While the modules are designed to serve the needs of people unfamiliar with the use of spectrum analysers, there are advanced topics that will be of interest to all people who use spectrum analysers in their day-to-day activities.

The modules include narration and video demonstrations of how to make measurements and build on each other. Most will benefit from taking these in order of 1 to 6.

Additional e-learning titles include: Site Master line sweep web-based e-learning course; line sweep interpreta-tion web-based e-learning course; protecting performance e-learning course; Site Master TMA measurements web-based e-learning course; Master Software Tools (MST) web-based e-learning course; handheld software tools web-based e-learning course; line sweep tools web-based e-learning course.

Anritsu Pty Ltd


Eight threats your antivirus won’t stop: why you need endpoint securityNews headlines are a constant reminder that malware attacks

and data loss are on the rise. High-profile incidents that make big

news might seem out of the ordinary yet businesses of every size

face similar risks when using digital technology and the internet

for legitimate purposes.

http://www.emctech.com.au


www.powerbox.com.au

newproducts

Splicers for rent

The Fujikura FSM60S splicer and CT30 cleaver have been introduced to the TechRentals test and measurement rental fleet.

The splicer is com-pact and lightweight and is an arc cali-bration-free system with a dual directional

operation system. It is used for splicing multi-

and single-mode optical fibre and its battery has a long

life span.The fibre cleaver and detachable

work table are included.

TechRentals


Speaker microphone

The Guardian Comms speaker mi-crophone has been upgraded and now features waterproof rating to IP68, stronger construction and crisper audio characteristics.

It interfaces with a range of portable two-way radios - ena-bling and enhancing portable two-way communication in high noise hazardous situations.Key features include a large

PTT button for easy activation when wearing gloves or in a pro-

tective suit; interfaces with Guardian Bone Conduction

accessories; protected ac-cessory interface connec-tor provides improved

rel iabi l ity; heavy-duty pocket clip for secure posi-

tioning; factory mutual intrinsically safe certified.

Improvements include mechanical robustness and waterproofing to IP68

(1.2 m for 30 min) and crisper audio.Interfaces are available for a range of portable two-

way radios, including Motorola, Tait, Simoco, Vertex, Icom and HB Wireless.

The upgraded units are fully compatible with existing Guardian accessories for use with structural, lightweight rescue helmets and breathing apparatus masks.

Guardian Control Systems Australia



newproducts

Mixed domain scope

Tektronix has intro-duced what it claims is the first mixed do-main oscilloscope that delivers the function-ality of a scope and a spectrum analyser in a single instrument.

T h e M D O 4 0 0 0 mixed domain oscil-loscope series gives us-ers the ability to capture time-correlated analog, digital and RF signals for a complete system view.

More than 60% of oscilloscope users also use a spec-trum analyser to troubleshoot embedded system designs with integrated wireless functionality, requiring them to work in both the time and frequency domain.

The instrument allows users to capture time-correlated analog, digital and RF signals across four analog, 16 digital and one RF channel.

The RF input frequency range extends to 6 GHz and provides a capture bandwidth of ≥1 GHz at all centre frequencies, 100 times wider than other spectrum ana-lysers. Users can see up to four decoded serial and/or parallel buses at one time on the same display.

Due to this time correlation between domains, engi-neers can now make accurate timing measurements to understand delays and latencies between command/control events in their design and changes in the RF spectrum.

The oscilloscope also allows designers to see the RF spectrum of a signal at any point in time within a long acquisition to see how the spectrum changes over time or with device state.

By moving the Spectrum Time throughout the time domain acquisition, designers can see the RF spectrum for any point in their acquisition while simultaneously seeing their analog, digital and/or decoded buses at the same point in time.

Similarly, RF time domain traces are used to show how the amplitude, frequency or phase of the RF input signal changes relative to time. The RF time domain traces are shown in the same window as the analog, digital and serial/parallel bus decoded waveforms, providing instant insight into device operation.

In addition to the standard RF power level trigger, an optional module (MDO4TRIG) allows additional trigger types to use the RF power level as a source, enabling users to further isolate an RF event of interest.

Users can trigger on a specific pulse width, or look for a timeout event or runt, or even include the RF input in a logic pattern defined along with the analog and digital channels.

This ability to trigger on whatever the user is interested in regardless of whether it’s analog, digital, RF or some combination is a claimed industry first for the series.

TekMark Australia Pty Ltd


2012 APCO Australasia Conference and Exhibition12-14 March 2012, Gold Coast Convention Centre, Queensland

The 2012 APCO Australasia Conference’s theme is The Future of Public Safety Communications: What does it look like? It will focus on topics such as communications and technology; emergency management; communities; multiagency collaboration and information sharing; social media; cloud computing; mobility; traditional radio; spectrum allocation; lessons learnt from local and international events and more.

Held over three days, the event features networking opportunities, professional development workshops,

interactive forums, speaker presentations and an extensive exhibition showcasing the latest technology, equipment and services available to the public safety sector.

Attendees will include professionals from a cross-section of industries including security, transport, defence, finance and mining. Delegates are encouraged to actively engage in discussions and be a real part of the information chain, both imparting and deriving knowledge in an environment of industry colleagues.

With the weight of expectation building on ACMA’s an-nouncement about the future of a spectrum allocation for emergency services communications, the keynote presenta-tion and associated expert panel discussion on this topic is of major significance to product vendors, user groups and policy makers alike.

There will be informative content on P25, TETRA and 3GPP both in the conference and on the exhibition floor offering the opportunity to make objective comparisons and form sound opinions based on up-to-date knowledge and specifications. There will also be a panel of experts discuss-ing the issues and experiences of the New Zealand earth-quake disaster.

The 2012 APCO Australasia Conference and Exhibition is an event not to be missed. For more information on the event and how to register, visit the website www.apcoaust.com.au/2012.APCO Australasiahttp://www.apcoaust.com.au/


newproducts

Bluetooth option test

The Audio Precision APx Bluetooth option is claimed to be the best solution for testing Bluetooth audio.

The built-in Bluetooth radio and Bluetooth stack allow engineers to measure their devices directly.

With APx, all Bluetooth controls are integrated into the analyser software. In addition to standard commands like pairing or opening a connection, it is easy to switch between profiles and roles on the fly, specify a custom device class, connect with a preferred sample rate or codec, or force open an SCO without ringing.

For deeper protocol analysis, a link key is available to cut and paste into a packet sniffer.

Once connected, every audio characteristic can be measured. Key features include 30+ one-click audio measurements (including all standard weighting filters), one-million-point FFTs, real-time oscil-loscope monitoring, custom reports, statistical calculations and quasi-anechoic acoustic measurements.

With 21 measurements in 1 s, the analyser is suitable for Bluetooth production test.

Vicom Australia Pty Ltd


Duplex wireless intercom

Peltor’s DECT-Com II radio system delivers full duplex intercom communication for up to nine members in digital privacy. Op-erating in the 1.8 GHz DECT spectrum, the radio allows users to talk easily in full duplex within a team across a site.

Enhancing clarity and ease of use the system also allows full interoperability with land mobile two-way radios and establishes a gateway path with a mobile radio and then provides full radio access to other DECT-Com users.

For example, a fire appliance could have a dedicated dispatch radio in the vehicle connected to its controller. All occupants of the vehicle could be connected directly to the radio via the DECT-Com II units while in and out of the vehicle. The users are also communicating as a team in full clarity duplex.

Selected two-way radio traffic is instantly broadcast on the units and they are specifically designed for high-noise environments.

Pacific Wireless Communications Pty Ltd


UC headsets

Jabra ANZ has launched four unified communications headsets.The series has been designed to meet the needs of organisations

planning to deploy headsets across their workforce. It features a corded UC headset with behind-the-ear wearing style and discreet form factor for videoconferencing and easy portability.

Features of the Jabra UC Voice series include: four different designs to accommodate different needs and preferences; wideband sound; a noise reduction microphone; call-control unit with quick access to answer, end, mute and volume adjustment controls directly from the headset or via plug-and-play USB connectivity.

GN Netcom


http://www.trbearcom.com.au


Shared networks: a blueprint for successMalcolm Keys, CEO and Brett Savill, Director, Airwave Solutions Australia

Sharing a radio network between pub-lic safety agencies, such as the police,

fire and ambulance services, makes con-siderable sense, to facilitate inter-agency communication and cooperation and reduce the need for duplication of infra-structure resources. There are also many advantages for non-emergency service agencies, both in the public and private sector, using the same shared network.

However, for a shared communica-tion infrastructure to be used to its best advantage, a number of parameters need to be considered to ensure all users’ needs are met, and no one agency’s requirements are compromised. Con-siderable care needs to be taken with the contractual arrangements to ensure that each agency’s contribution is a true reflection of its actual usage of the network.

Among the lessons learned by Air-wave’s experience in the design, instal-lation and management of a number of shared public safety networks in the UK, Europe and Australasia, is the simple fact that different types of agencies have different communications requirements. While a TETRA or P25 network is ca-pable of meeting these varying agencies’ needs, more so than a standard mobile or commercial-grade private mobile radio (PMR) network, it is also more expensive. As such, it is important that users actually value the capabilities and features of the system over and above what a mobile or PMR alternative can deliver.

The key communication requirements of the police - coverage, capacity, avail-ability, security, resilience, and terminal functionality - became the fundamental design criteria for the finished UK public safety network.

Differentiation of deliveryThe UK network has demonstrated a clear differentiation between the needs of the principal core users. The public safety network was initially designed for the police and its key requirements became the fundamental design criteria for the finished system. Additionally, the system has a data capability.

While the ambulance service requires very similar coverage, availability and resilience to the police, security of voice traffic is a lesser consideration. By con-trast, data capability is important and the security of data transmission is impera-tive to meet the data protection require-ments of the health sector.

Due to the smaller nature of the agency, the ambulance service also re-quires a fully managed end-to-end service over and above the network services provided to the police.

In comparison, fire service require-ments are notably different to those of the police and the ambulance. The fire service not only values vehicle-radio coverage in preference to handheld capabilities, but it also places much less importance on security. Availability and resilience remain crucial elements - both for voice and data - with additional ‘power resilience,’ an element specific to the fire service.

Beyond these front-line emergency services, cost becomes more crucial, with a greater need to balance the capabilities of a TETRA/P25 network over a cheaper mobile or PMR alternative. Here, non-core users include local councils, government departments and public transport agencies.

Importantly, these smaller agencies each see benefits in using a dedicated network that links into the larger agencies. The Cabinet Office is a prime example of an agency in the UK that sees value in interoperability with incident command of the police and other security forces. Other examples include the Maritime and Coastguard Agency - which is interested in general in-shore communications with the police, ambulance and RAF - and the Prison Service, that wants to interoperate with the police.

Equally, the Environment Agency wants interoperable communications with a num-ber of agencies to facilitate the coordinated responses to environmental incidents, such as floods, snowstorms and waste spills. Even the Royal Society for the Prevention of Cruelty to Animals can benefit from the ability to communicate seamlessly with larger agencies. Each of these organisa-tions sees a unique benefit to being able to coordinate its communication with other agencies in a manner not possible if they had opted for a traditional cellular commu-nication solution.

The diverse array of users similarly demonstrates differing agency require-ments. Coverage, security, availability, resilience and interoperability are all still valued by non-core users, but to varying degrees for each end-user. Overall, the key combination of coverage, availability and resilience has been the overriding factor for most users to select the TETRA/P25 option.

“Data capability is important and the

security of data transmission is imperative

to meet the data protection requirements

of the health sector.”

Sharing public safety communications networks can provide many advantages for a range of organisations. However, to ensure that individual agencies’ requirements are met, it is imperative that the balance between core and non-core users is optimised.

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Setting the service levelThese non-core users also differ from the police, fire, and ambulance services in the nature of their contracts. Typically, the expected provision of network services and features is defined for smaller users under a standard contract format. These contracts also provide the opportunity for ‘add-on’ contract services, such as termi-nal management, control room services, terminal numbers and fleet mapping, plus options for further tailoring of the system.

By comparison, the core users have the added advantages that service level agree-ments (SLAs) deliver. These, similarly, in-clude an indication of the range of services and included features the user can expect from the network. However, every SLA is different and reflects the unique service needs of each agency. For example, the UK fire and ambulance contracts include the provision for management of terminals, services and control rooms, as well as network services, whereas the police only require that network services be provided.

Under an SLA, any failure to meet an agreed service level results in an accrued service credit. This can be reimbursed back to the agency directly, although more commonly the credit is used to improve the infrastructure in order to mitigate the chances of similar service level deficiencies in the future.

Allocating operational costsWith each agency’s use of the network, it becomes essential that operational costs are apportioned fairly, and a number of models exist to facilitate this process. By ensuring a transparent and itemised relationship between price and service deliverables, the political processes, regard-ing funding, can be simplified and claims of unaffordability can be successfully mitigated.

While apportioning operational costs can be difficult, the allocation of capital costs can present a greater challenge. As the agency for which the UK public safety network was primarily designed and estab-lished, the police have necessarily borne the brunt of the initial capital costs. When the fire and ambulance services subse-quently began using the system, they were, in effect, able to have the benefits of an established infrastructure. The main capital cost faced by the fire and ambulance services has been to cover the 30,000 additional radio sets required and to tailor the capacity and coverage of the network to meet their own requirements.

To share the capital costs, the ideal scenario would be for all agencies to adopt the new communications package in paral-

lel. Realistically, however, it is inevitable that one agency will take the lead as the ‘anchor’ organisation for the new network. As the largest, most sophisticated agency - and the one with the greatest require-ments - the police make an ideal anchor agency in most countries or states.

Whichever agency takes the lead, the services and features they select will, in effect, become the benchmark for addi-tional users. As new agencies subsequently join the network, they will then be able to choose which features of this established network they do and do not need and which add-on features they require.

The fire service places a high value on availability and resilience - especially ‘power-resilience’ - for both voice and data communications.

The ambulance service requires very similar coverage, availability and resilience to the police, with an additional require-ment for a secure data capability.

The tender processIn the UK, each agency went through a user-requirement phase before going out to tender. This was a more onerous process for the police, as the pioneer client for the network. For the fire and ambulance services, the network capabili-ties were a better known quantity, and negotiation revolved around variations to the established police platform to meet each individual agency’s requirements.

For the smaller contractees, far greater standardisation was offered. The police contract enabled Airwave to offer services to other authorised users in return for a slightly discounted overall price for police users. A discrete product - Airwave Direct - was developed to enable services to be offered to small scale agencies, with a framework in place to make specialist capabilities available, such as dispatching, control rooms and mobile data. However, it was only possible to meet the needs of these small agencies with the anchor ten-ant already in place.

Where possible, it has been advanta-geous to allow for service differentiation - with prices to match - to ensure users are not overpaying for services or features they don’t need. In practice, it is difficult to unbundle the standard features of the

TETRA or P25 network functionality and the savings to be made here are limited, especially given the fact that coverage remains the biggest cost driver. Rather than deconstructing the basic network provision, most differentiation has actu-ally been achieved by adding additional services - including capacity, coverage, security, resilience, tighter SLAs, mobile data solutions, telemetry, and end-to-end service management.

Outsource managementThe end-to-end service provision op-tion ensures that users can completely outsource management of their mobile communications solution. This further ensures that upgrades are better coor-dinated between the network, terminals and control rooms. Research recently conducted by Airwave’s sister company Arqiva concludes that the main benefit to outsourcing such non-core services is cost savings.

A typical mid-sized regional police force, for example, can potentially have cost savings of around $900,000 over a four-year period by outsourcing its com-munications services. This equates to the cost of 16 additional officers on the beat for five years, two officers redeploying from communications management to frontline duties and total staffing savings over four years of $500,000.

Cost saving potentials are a recurring theme with shared networks, both for individual organisations and collectively through sidestepping the need to repli-cate communications infrastructure for each separate agency. While care needs to be taken to ensure that, as additional organisations come on board, the qual-ity of the service for core users is not compromised, the reality is that, as more agencies use the network, the greater the infrastructure investment will be and the better the service enjoyed by all. Shared networks allow users to enjoy unprece-dented inter-agency interoperability, while delivering unparalleled levels of coverage, availability and resilience.

Airwave Solutions Australia Pty Ltd


“Each [organisation] sees a unique benefit to being able to coordinate its

communication with other agencies in a manner not possible if they had opted for a

traditional cellular communication solution.”

interoperability


INDUSTRY TALKING

Christian Kelly – President Australian Radio Communications Industry Association

newproducts

Modular power system

The N6783A-MFG mobile communications DC power module and the N6783A-BAT battery charge/discharge module have been released.

The N6783A-MFG module has a good voltage tran-sient response that ensures a stable output voltage is maintained at the device under test during load tran-sients. This maximises system throughput by eliminating inadvertent device shutdowns that occur if the voltage is allowed to drop too low, such as when a non-specialised power supply is used.

The N6783A-BAT module has a basic two-quadrant operation for charging and discharging batteries as necessary for the design of a mobile device. It is a basic two-quadrant DC module designed to enable mobile device designers to validate the battery to be used in the device being designed. Its built-in digitising meas-urement system allows accurate measurements over the short and long term.

The module can also be used to condition batteries for test in mobile devices by charging or discharging the battery to a specific level to see how the device performs under specific conditions.



Battery tester

The Gold-Plus intel-ligent battery tester is a 6/12 V lead acid battery capacity test-er with Ah calibration control.

It is designed to test 6 V lead acid batteries from 1.2 to 12 Ah and 12 V batteries from 1.2 to 100 Ah. It displays bat-tery voltage and current capacity available based on the battery age, temperature and state of charge.

Ah calibration control enables standby SLA, cyclic GEL and car flooded batteries to be tested. It can be used for continuous repeat battery testing and an LED indicator warns against accidental reverse polar-ity connection.

Regal Electro


It has been a busy few months with the ARCIA elections, production of the annual report, RadioComms Connect and the annual gala dinner in Melbourne, formation of state-based subcommittees, and development of more regional events in Sydney and Brisbane.

Many thanks to outgoing members of the committee Steve Reining and Steve Kennedy. Thank you to Alistair Tibballs for his work as treasurer and congratulations to incoming members. David Cox is now treasurer and Bob Rogers is now secretary.

The Annual General Meeting saw a change to the ARCIA constitution which allows for up to 12 committee positions, in addition to the executive. This will allow state sub-committees to be formed that can then determine their own action plans and make representations to the executive for budget and support.

So far we have: Melanie Arnott, WA; Jeff Perry, SA, with Dennis Liddicoate; Anthony Blyth and Devran Roberts, Qld; Martin McLeod and Hamish Duff, NSW; and Alan Clarke, Neale Joseph and Alistair Tibballs, Victoria. Chris Stapleton leads accreditations. Bob Rogers leads the education and training committee. Events are managed by the regional groups. Ian Miller heads technical and spectrum management with Noel Higgins, who also chairs the RC4 and RC6 standards meetings and provides keen insights into the impact of any spectrum review proposals. Jamie Baker as ex-officio committee member provides an ambassadorial role in promoting ARCIA.

Congratulations to all the Excellence Award winners at the annual gala dinner and many thanks to the sponsors and ARCIA committee members who helped out on the night.

It was particularly gratifying to see the quantity of nominations this year in every category and, more importantly, the quality of the representations that made the task that much harder in making the decisions of who would be recognised as outstanding performers. This program has gone from strength to strength as the industry realises the importance of peer recognition and the depth of talent in so many different areas.

Another program that is gaining momentum is the Sir Angus Tait Scholarship, jointly supported by ARCIA, Tait Communications, Westwick-Farrow Media and most recently, Omnitronics. The most recent scholarship was won by Dylan Bucktrout, an apprentice from Mobile Masters in WA.

Congratulations to Craig Ross for his induction into the Jonathan Livingstone Award. This was another stirring and humbling event at the annual dinner.

Finally, many thanks to ARCIA’s sponsors and partners for 2011: Motorola Solutions, Kenwood Electronics, AA Radio, GME, Radlink, RFI, Tait and RadioComms Connect.


newproducts

Monopole antenna

The WRT-MON series mono-pole antenna by Antenna Factor can be used for appli-cations like wireless vending machines, traffic equipment and power equipment where

space is limited and security is important.Compared to the WRT series dipole antenna, the

monopole antenna takes up less space inside the prod-uct. The antenna requires a proximity ground plane and installs through a small hole on the product and is anchored by a threaded metal base connected to the coax cable shield.

The WRT-MON series antenna is available in 2.4 GHz. It is attached to an 8.5″ long coax cable with an RP-SMA, SMA or U.FL/MHF-compatible connector on the other end. The RP-SMA and SMA connectors use an RG-174 coax. The U.FL/MHF connector uses a 1.32 mm micro-coax.

It is tamper-resistant and can be used for indoor or outdoor applications.

Apex Electronics Ltd


XLR connectors

Neutrik has developed the convertCON, said to be the world’s first unisex 3-pole XLR.

It is a standard three-pin cable mount connector that can swap between male and female by sliding a collar forwards or backwards. The concept offers users flexibility since it’s now possible to fit the same connector to both ends of a cable.

The device shares many of the features and benefits of the XX series of XLRs, including an improved chuck-type strain relief that provides higher pull-out force and makes assembly even easier and faster.

A rugged zinc die-cast shell ensures a long-lasting and dependable connection while the sleek, ergonomic design is easy to handle. It is also available with a black chrome housing and gold contacts.

Amber Technology Limited


http://www.triodatacom.com


RADIO@w

ork

A digital console radio system has replaced the Australian Royal Flying

Doctor Service’s (RFDS) 1990s radio installation.

This latest system from Zetron is the DCS 5020. It integrates telephony and radio, call handling, monitoring and log-ging and brings all these functions into a single operator interface.

Installed in the Broken Hill base of the RFDS, the system supports up to 30 channels and 16 screen-based operator consoles, each of which includes a host PC, video monitor and desktop speakers.

These operator positions are provided along with multiple radio inputs over HF, VHF and UHF and phone circuits.

This latest installation replaces a 17-year-old Zetron 4010 radio dispatch console and a combination of HF, VHF and UHF radios.

Providing information and recom-mendations to the RFDS was AA Radio Services, based in Melbourne.

AA Radio Services project manager Ian Miller says the company was first contacted to help repair and maintain the user’s existing system. They were then asked to provide a quote for a new system to be installed.

Miller explains how the RFDS’s DCS-5020 system was implemented.

“The system was designed and as-sembled in the AA Radio Services work-shop in Melbourne,” he says. “We then transported it to the client’s location about 700 km away. Our technical crew installed and commissioned the system over a period of five days, then made a follow-up visit to refine the system to meet the user’s unique requirements.”

“The daily operations of the RFDS could not be compromised. We often had to stand back and allow the operators

to complete their tasks before we could proceed with ours. But these challenges were all easily overcome because we had planned and prepared for them,” says Miller.

The RFDS has a long history of ra-dio innovation beginning in the 1920s with the famous pedal radios under the inspiration of RFDS founder the Rev John Flynn. Originally designed to last a year, the system went from strength to strength even during the depression and World War II.

Today, the RFDS is one of the largest aero-medical organisations in the world. It delivers primary healthcare and 24-hour emergency services to people living in rural and remote areas of Australia. The organisation now has a fleet of 60 air-craft operating from 21 bases across the country. It provides medical assistance to over 275,000 people each year - about one person every two minutes.

Separated into four geographic sec-tions; Central Operations, the Queens-land Section, Western Operations and the South Eastern Section, each section has several bases from which the service’s aircraft are operated and dispatched. Broken Hill is the main base for the South Eastern Section. It services NSW and parts of neighbouring states in an area of about 640,000 km2.

The RFDS has become an Australian institution that has led to better health and treatment for thousands of outback residents. Each year the Broken Hill base sees over 13,000 patients, conducts over 1600 clinic sessions and transports over 900 patients by air.

Modern radio communications should see the Royal Flying Doctor Service carry on its medical mission around the country for years to come.

“The daily

operations of the

RFDS could not be

compromised. We

often had to stand

back and allow

the operators to

complete their tasks

before we could

proceed with ours.”

Zetron Australasia


Zetron system dispatches ‘Flying Doctor’ to Australian Outback

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Advanced P25 Network Solutions

Trunked and Conventional operation

Standalone sites through to wide area multisite systems

Remote multi-hop repeater systems

Integrated analogue FM channel support

Migration path for analogue to P25 network upgrades

radiocomms asia-pacific jan/feb 2012

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new technologies

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