goes dcs status and information
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GOES DCS Status and Information. Dan Schwitalla – [email protected] 2009 111 th Meeting of the STIWG– 18 – 20 May 2009. Agenda. Background and status of the EDDN New GOES Data Tools Future products and enhancements. EDDN Project GOALS. - PowerPoint PPT PresentationTRANSCRIPT
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GOES DCS Status and Information
Dan Schwitalla – [email protected] 111th Meeting of the STIWG– 18 – 20 May 2009
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Agenda
•Background and status of the EDDN
•New GOES Data Tools
•Future products and enhancements
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EDDN Project GOALS
•Receive data from all DCPs transmitting in the GOES DCS independently of Wallops Island.
• Locate satellite downlink at a receive site(s) sufficiently distant from Wallops Island to achieve event independence.
•Distribute data independently of Wallops Island.
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Basic EDDN System
● Satellite downlink system with 2 antennas for GOES East and West ( at least 7M ) and one backup antenna
● DOMSAT receive system for data from Wallops Island
● LRGS systems for acquiring and distributing data.
● Web Server for reporting system status.
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8.1M Antenna at EROS for GOES East
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Three New Antennas(3.8M backup, 2.4M DOMSAT, 7.5M GOES West)
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GOES Receive Equipment at EROS
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EDDN System Status
● EDDN was handed to the USGS in Spring 2008
● Issues in the first year of operation:● Minor wind damage to the 7.5m antenna
(Did not affect the operation of the antenna)● Loss of azimuth control of the 7.5m antenna
(GOES West reception was moved to the backup antenna)
● Successfully negotiated two blackout periods
● Maintenance option picked up for the next year
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EROS System Diagram
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EDDN System Status
●USGS EROS LRGSs● lrgseros1.cr.usgs.gov● lrgseros2.cr.usgs.gov
●Public EROS LRGSs● lrgseddn1.cr.usgs.gov● lrgseddn2.cr.usgs.gov
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More Information about EDDN at EROS
●The EDDN has a public Web page that provides:● Status of the public Data servers● Access to a system monitoring page● Web pages that
● describe the EDDN,● describe message format of DCP data,● provide message access services,● and make available relevant Documentation.
●URL is http://eddn.usgs.gov
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New EDDN Web Services
●http://eddn.usgs.gov/msgaccess.htmlProvides a web service similar to msgaccess from the DECODES
installation. User can access DCP messages based upon time, address, and channel criteria. (Does not decode the data)
●http://eddn.usgs.gov/fieldtest.htmlProvides a low-bandwidth means of publicly accessing messages
from a specific DCP. Designed for the access from a cell phone or PDA.
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EDDN Message Access
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EDDN Field Test Page
Criteria Page Page Source<html><head><title>FIELD MESSAGE RETRIEVAL</title><body>
<form action="http://lrgseddn1.cr.usgs.gov/cgi-bin/fieldtest.pl" method="POST">
<p><font size="+1">DCP ADDRESS (required):</font><br>
<input type="text" name="DCPID" size="8"></p>
<p><font size="+1">Back </font><br>
<input type="text" name="SINCE" size="3"> hours</p>
<p><input type="submit" value="Retrieve" name="B1"></p>
</form>
</body></html>
EDDN Field Retrieval
DCP: DD29E3F0 From now minus 8 hours until now.
DD29E3F009082065534G42-4NN130WXW000243J@@l@GA@@l@F?@@l@F?zWJ
DD29E3F009082053520G42-4NN130WXW000242E@@l@Fz@@l@Fy@@l@FyzVJ
Result Page
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EDDN Enhancements
• Adding demods this summer to accommodate the freed up international channels. (Stimulus money)
• Starting a project to make available all the USGS and Corps DECODES platform configurations to the public.
• LRGS software upgrade (in coordination with Wallops Island)