reconnaissance and surveillance leader course module 4 an/prc-117f los fixed frequency operation

Reconnaissance and Surveillance Leader Course

MODULE 4

AN/PRC-117F LOS FIXED FREQUENCY OPERATION


LOS Fixed Frequency Operation

• Objectives:– Program the AN/PRC-117F for LOS Fixed Frequency operation.

• Plain text nets• Cipher text nets• Voice or Data operation

– Operate the AN/PRC-117F as a station in a LOS Fixed Frequency Net.

LOS Fixed Frequency Nets



• LOS Fixed Frequency Nets allow the user to receive and transmit voice and/or data using fixed receive and transmit frequencies.

– 30 MHz - 89.99999 MHz VHF-Low Band, FM only• VINSON COMSEC, voice or data using FM• KG-84, DATA only, FM or TCM

– 90 MHz - 224.99999 MHz VHF-High Band and 225 MHz - 512 MHz UHF Band• VINSON, voice or data using AM or FM• Fascinator COMSEC, FM Modulation, Voice mode only• KG-84 Encryption for DATA only, AM, FM, TCM

LOS Fixed Frequency Nets



• Up to 100 nets can be programmed into the radio.• Net names consist of 12 alphanumeric characters.

– Spaces not allowed.– Default names for each net is NET##, where ## represents a

number 00 to 99.• Each net can be enabled or disabled during programming at the

ACTIVATE IN LIST? Prompt.– Choosing NO makes net inaccessible with PRE+/- button. It

is callable by entering the channel number.• Type of net must be selected before the net is programmed:

– LOS Fixed Frequency Net– Dedicated UHF SATCOM Net– Frequency Hopping Net, SINCGARS or HAVE QUICK

AN/PRC-117F Net Programming Considerations


PGM

NORM

ACTIVATE IN LIST

NET TYPELOS FIXED FREQUENCY

NET

SELECT NETTO MODIFY

00 - 99

YESNO

FREQ COMSEC DATA/VOC SQUELCH POWER NAME

NORM DAMA SCANPORTS SECUR CFIG

USE <> TO SELECT ITEM

PT



LOS Fixed Frequency Programming


RECEIVE FREQUENCY

# # #.# # # # #

TRANSMIT FREQUENCY

# # #.# # # # #

RECEIVE ONLY?

FREQ

NO

YES

• Simplex operation, set receive and transmit frequency to same value.

• Half duplex uses different receive and transmit frequencies. They must be the same band.

• Set RECEIVE ONLY? To YES for nets when you have no authorization to transmit.

• Radio will not allow entry of frequencies outside its frequency range of 30 MHz to 512 MHz.

PT



LOS Programming, Frequency


COMSEC

CRYPTO MODENONEVINSON

ENCRYPTION KEYTEK 01 - 25

KG-84

FASCINATOR

ENCRYPTION KEYTEK 01 - 25

ENCRYPTION KEY*TEK 01 - 25

• KG-84 COMSEC only available in DATA.

• FASCINATOR encryption not available in the VHF-low band (30 MHz - 90 MHz) Voice only.

• * VINSON and Fascinator share the same bank of 25 encryption keys.

• 64K LOS Data requires KG-84. PT



Programming, COMSEC

ANALOG DATAYESNO

ANALOG DATAYESNO

SYNCHRONIZATIONREDUN MODE 1REDUN MODE 2

NON-REDUN MODE 3NON-REDUN MODE 4



• ADF port J-1 connector• Data port J-3 connector• Data rate – 16 kbps• ASYNC data requires data port

configuration.• FM Deviation

– 8 kHz – Standard Tactical FM

– 6.5 kHz – SINCGARS Family SC operation

– 5.0 kHz – 5 & 6.25 kHz BW Channel Handhelds

PT



DATA/VOC

FM DEVIATION8.0 kHz6.5 kHz5.0 kHz

LOS Programming, DATA/VOCUsing VINSON COMSEC

AUTO ON ADF PORT

SYNC/ASYNC SELECTASYNCSYNC

AMFM

MODULATION


AUTO ON DATA PORT


AMFM

MODULATION



• TCM – Trellis Coded Modulation, HI-Speed LOS Data operation requires KG-84 encryption.

• ASYNC data operation requires data port configuration.

• SYNC data operation uses very common default port settings

LOS Programming, DATA/VOCDATA



FM

MODULATION

TCM



BAUD RATE64.0 K48.0 K

KG-84C selected

PT



DATA/VOC

AM



• Fascinator COMSEC – Voice only, FM only above 90 MHz.

LOS Programming, DATA/VOC

VOICEFM DEVIATION

8.0 kHz6.5 kHz5.0 kHz

Fascinator selected

PT



DATA/VOC



• Digital Squelch only available in Cipher Text (CT) mode for VOICE.

• AM analog squelch with three levels of sensitivity.

• Tone Squelch (150 Hz sub-audible), only available in the 30 MHz to 90 MHz VHF-Low Band.

• Squelch programming becomes unavailable when KG-84 COMSEC is selected.

PT



SQUELCH

DIGITAL SQUELCH (CT)

ONOFF

ANALOG SQUELCH

OFFTONENOISE

OFFON

AM

FM

HIGHMEDIUMLOW

LOS Programming, SQUELCH



POWER

TX POWER LEVEL

1 WATT1.3 WATTS1.6 WATTS2 WATTS2.5 WATTS3 WATTS4 WATTS5 WATTS6.3 WATTS10 WATTS13 WATTS16 WATTS20 WATTS

• Use power level necessary to establish communications.

• 20 Watts– 90 MHz – 399.99999 MHz, FM or TCM only

• 10 Watts– 30 MHz – 89.99999 MHz

– 400 MHz – 512 MHz

– All AM

• 1 dB incremental adjustment steps. PT



LOS Programming, POWER



NAME

CHANGE NET NAMEABC123...

• Net Names can be up to 12 character alphanumeric with no spaces allowed.

PT



LOS Programming, NAME



NET TYPELOS FIXED FREQUENCY


NET TYPEDEDICATED SATCOM

FREQ CODE COMSEC DATA/VOC SQUELCH POWER NAME

NET TYPEHAVE QUICK FH

HQ_NET_NUM COMSEC DATA/VOC SQUELCH POWER NAME

NET TYPESINCGARS FH

NET ID COMSEC DATA/VOC POWER NAME



OPERATIONALMODE

RCV SIGNAL STRENGTHMETER

04*NET4

LOS

R. VOL

TYPE

R: 030.00000T: 030.00000

T. VOL

FREQUENCY

PT

ADF JACKMODE

NET TYPE

NET NUMBER

RECEIVE (R) INDICATOR

VOLUME METER

NORM

SQUELCH SETTING

MODULATION MODE

RECEIVE FREQUENCY

TRANSMIT FREQUENCY

DATA RATE

PT

NORM

UNSAVEDCHANGES

FM OFFSQLMODE

LOSNONE

RATE

CIRCULAR ARROW BUTTON(PRESS TO CHANGE DISPLAYS.)

DENOTESPLAIN TEXT

CIPHER TEXTOPERATION.

VOCADF

OFFDATA

DATA PORTMODE

NET NAMEReceive Displays



OPERATIONALMODE

TRANSMIT POWER OUT

METER04*NET4

LOS

T. VOL

TYPE

R: 030.00000T: 030.00000

T. VOL

FREQUENCY

PT

ADF JACKMODE

NET TYPE

NET NUMBER

TRANSMIT (T) INDICATOR

VOLUME METER

NORM

SQUELCH SETTING

MODULATION MODE

RECEIVE FREQUENCY

TRANSMIT FREQUENCY

DATA RATE

PT

NORM

UNSAVEDCHANGES

FM OFFSQLMODE

LOSNONE

RATE

CIRCULAR ARROW BUTTON(PRESS TO CHANGE DISPLAYS.)

DENOTESPLAIN TEXT

CIPHER TEXTOPERATION.

VOCADF

OFFDATA

DATA PORTMODE

NET NAMETransmit Displays



Net NumberNet Name

0RANGECNTRL

1FASTMOVERS

2ARTYBASE

3GUARDNET

FREQR:

T:

R: 33.15T: 33.15

R: 345.7T: 345.7

R: 67.9750T: 53.1250

R: 145.675T: 145.675

MODULATIONTYPE

FM, 6.5 kHz AM FM, 8 kHz FM, 8 kHz

POWER LEVEL 1 WATTS 2 WATTS 4 WATTS 1.3 WATTS

SQUELCHTYPE

AnalogTONE

AnalogNOISE-LOW

AnalogTONE

Analog NOISE

COMSEC MODECOMSEC KEY#

PT - NONE PT - NONE VINSONTEK #01

FASCINATORTEK #01

NOTES: VOICE VOICE VOICE VOICE

LOS Fixed Frequency Net Programming



Options - OverridesOPT

POWER

TX POWER LEVEL

1 WATT1.3 WATTS1.6 WATTS2 WATTS2.5 WATTS3 WATTS4 WATTS5 WATTS6.3 WATTS10 WATTS13 WATTS16 WATTS20 WATTS

TIME SAVECOMSEC GPS

CRYPTO MODE

NONE

VINSON

ENCRYPTION KEY

TEK 01 - 25KG-84

FASCINATOR

ENCRYPTION KEY

TEK 01 - 25

ENCRYPTION KEY*

TEK 01 - 25

PT

COMSEC POWER RETRANSTIME GPS SAVE


RETRANS



Options - SAVE OPT

POWERTIME SAVECOMSEC GPS

PT



RETRANS

• SAVE only appears in OPTIONS menu if the CFIG setting ‘AUTO SAVE OVERRIDES?’ is set to OFF.

• Used to save any overrides made to the currently used operating Net Preset.



Options - TIMEOPT


PT



RETRANS

GPS_SYNCUSER_ENTRY

TIME OF DAY

DD/MM/YYYY HH:MM:SS• TIME

– GTOD - SINCGARS– TOD - HAVE QUICK– HPW TOD - HPW SATCOM

HPWSINCGARS HAVE_QUICK



Options - GPSOPT


PT



RETRANS

NAVIGATE

HDG: 147.5° ALT: 191mVEL: 110 knots 05 SATS 24/09/99 12:34:56

NAVIGATE

LAT: 43’ 08.8260NLNG: 77’ 33.4160W 05 SATS 24/09/99 12:34:56

External GPS unit must be connected to GPS connector J2 turned on and able to get a position fix.

Metric, English or Nautical Units

as programmed in the PLGR

Displays coordinate system as

programmed in the PLGR

reconnaissance and surveillance leader course module 4 an/prc-117f los fixed frequency operation

Documents