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WAAS Updates and GPS Launch
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ertyu



Joined: 25 Apr 2005
Posts: 552
Location: Winnipeg

PostPosted: Apr 20, 2010 3:27 pm    Post subject: Reply with quote

wauchope wrote:
The Federal Aviation Administration (FAA) announced that one of the two WAAS GEO satellites will drift out of usable orbit within two to four weeks. Earlier this week, Intelsat announced it had lost control of its Galaxy 15 satellite that hosts the WAAS SBAS transponder used by the FAA.

The FAA says it is monitoring the satellite, but that failure is imminent. When G-15 is out of usuable orbit, WAAS will be disrupted for users in northwest Alaska. The rest of the WAAS service area U.S., Canada, Mexico will operate normally but will be reduced to a single point of failure with only one WAAS broadcasting satellite remaining (PRN 138).

for more info go here
http://www.gpsworld.com/gnss-system/augmentation-assistance/news/failure-imminent-waas-geo-satellite-9841


it always pays to check sources,sorry folks I gave out some wrong info

I was at a trimble seminar and the instructor told us 135 was the better sat to lock on to ,well she was wrong as 138 is the best one for accuracy as far as farmers are concerned.they are fast tracking the new Waas sat.
yesterday I was trying to use 135 and my gps was giving me all kinds of grief till I went back to 138


Yep, thats what I summarized a few posts back.
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MissionMode



Joined: 27 Nov 2009
Posts: 110

PostPosted: Nov 17, 2010 1:14 am    Post subject: Reply with quote

According to a thread on Groundspeak the WAAS 46 satellite is now live...

http://www.nstb.tc.faa.gov/
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ertyu



Joined: 25 Apr 2005
Posts: 552
Location: Winnipeg

PostPosted: Mar 21, 2011 10:02 pm    Post subject: Reply with quote

The drifting WAAS satellite ran out of solar power and rebooted it self and then came back online and in full control. After much testing, it is now operational and usable again and moving back to its original location. Given that there are now 3 operational WAAS satellites, here in Manitoba we likely won't see any difference as the other 2 satellites are located much closer and therefore easier to receive.
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Cache and Cary



Joined: 20 Mar 2006
Posts: 18
Location: Winnipeg

PostPosted: Aug 21, 2011 4:32 am    Post subject: WAAS Updates and GPS Launch Reply with quote

Do we have to upgrade the firmware on our GPSrs to get the new satellites?
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ertyu



Joined: 25 Apr 2005
Posts: 552
Location: Winnipeg

PostPosted: Aug 21, 2011 1:21 pm    Post subject: Reply with quote

No upgraded firmware should be required as they download the list of satellite signals everytime they are turned on.
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