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#21
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GPS Testing?
On May 24, 5:28*pm, Tim wrote:
Update on GPS Testing Issue: The request is now in the proper hands at the DOD (Washington, DC) and has been presented to DOD by the FAA (!). *We have been promised a reply within two days. It is not LightSquared related. So we should have an answer to when/if the contest is happening sooner, rather than later. Please Stand By. EY Tim, Thanks for the comprehensive approach. Richard www.craggyaero.com |
#22
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GPS Testing?
Fingers are crossed! Thanks so much for working on this - really
looking forward to attending this contest! Bruno - B4 |
#23
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GPS Testing?
Just found this on a list I follow, posted yesterday.
ESF 2 – Telecommunications and Information Technology: (National) LightSquared cell network knocks out first responders' GPS in tests. Initial tests of a controversial cellular broadband network planned by LightSquared showed the company's system knocked out global positioning system (GPS) receivers used by first responders. LightSquared of Reston, Virginia, tested its system last month at Holloman Air Force Base, New Mexico, with the participation of state police vehicles and county ambulances, both of which experienced outages from the company's cell tower, according to the director of the State of New Mexico E911 program. LightSquared operates in the 1525-1559 MHz and 1626.5-1660.5 MHz bands, and the Federal Communications Commission directed the tests to determine if the network interfered with GPS systems that operate in the nearby 1559-1610 MHz bands. The director of E911, in a May 11 letter to the director of the Air Force Global Positioning Directorate said the results of the April tests, "substantiate concerns that the LightSquared network will cause interference to GPS signals and jeopardize 911 and public safety nationwide." LightSquared, the GPS industry, and numerous federal agencies are conducting tests through June to determine the extent of interference from the company's system to GPS receivers. The Federal Aviation Administration said another test of the LightSquared system started May 23 in Las Vegas, Nevada and will continue through May 27. FAA warned of potential GPS outages within 300 miles of the LightSquared tower in Boulder City, Neveda, 25 miles southeast of Las Vegas. The U.S. defense and transportation departments have serious concerns about the impact LightSquared's network of 40,000 cell towers will have on GPS receivers. LightSquared maintains the interference is not caused by its system, but by sensitive GPS receivers that "see" into the frequency band the network uses. Source: http://www.nextgov.com/nextgov/ng_20110520_9569.php |
#24
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GPS Testing?
Hooray!
Looks like the Moriarty Super Regional is GO based on the revised NOTAM found at: https://www.faasafety.gov/files/noti...t_Advisory.pdf If I am reading it right the outage times are now limited to between either 7PM - 3AM local OR 7PM - 12AM local. Even if I am off on my Z- time this is pretty much limited to the overnight hours. This should also free up 18m Nationals from any concerns as well. Thanks go to the local team at Moriarty for helping this process along. Tim & Susan McAllister "Team EY" |
#25
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GPS Testing?
On 5/27/2011 6:47 PM, Tim wrote:
Hooray! Looks like the Moriarty Super Regional is GO based on the revised NOTAM found at: https://www.faasafety.gov/files/noti...t_Advisory.pdf If I am reading it right the outage times are now limited to between either 7PM - 3AM local OR 7PM - 12AM local. Even if I am off on my Z- time this is pretty much limited to the overnight hours. This should also free up 18m Nationals from any concerns as well. Thanks go to the local team at Moriarty for helping this process along. Tim& Susan McAllister "Team EY" Revised or additional? I couldn't find anything saying the old one was cancelled. And a flight route breifing through DUATs indicated both WSMR 11-08 and WSMR 11-09 are in effect next week. -Dave |
#26
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GPS Testing?
SNIP
Revised or additional? I couldn't find anything saying the old one was cancelled. And a flight route breifing through DUATs indicated both WSMR 11-08 and WSMR 11-09 are in effect next week. -Dave Hmmmmmmm... let us check on this. Stand By. |
#27
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GPS Testing?
Revised or additional? I couldn't find anything saying the old one was
cancelled. And a flight route breifing through DUATs indicated both WSMR 11-08 and WSMR 11-09 are in effect next week. -Dave O.K. Everyone. This might not be the good news we need to officially say the contest is GO. ZL is correct that the two NOTAMs are in effect next week. Further the two NOTAMs do not share the same broadcast location, nor do they share the same radius of effect. Grrrrr! We need to get some more confirmation before we issue the all clear signal. Sorry for the false alarm. Will get the details confirmed by next week. Tim "EY" |
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