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February 15, 2012

FCC Invites Comment on Plans to Abandon LightSquared Effort Due to GPS Interference Concerns

As previously announced, the Federal Communications Commission (FCC) International Bureau invited comment today on its proposal to vacate its January 2011 conditional waiver order permitting LightSquared Subsidiary LLC to establish a terrestrial wireless broadband network as a result of demonstrated interference to GPS signals and receivers.

February 14, 2012

NTIA and FCC Agree: No Practical Way to Fix LightSquared’s GPS Interference Problem

[Updated February 15, 2012] The GPS community received a Valentine’s Day message from U.S. regulators today (Feburary 14, 2012): there is  “no practical way” to mitigate potential interference posed by terrestrial transmissions from LightSquared’s proposed wireless broadband network.

Inside GNSS • January/February 2012

Challenges in GNSS /INS Integration

GNSS and inertial technologies have a complicated mutual history.

Once competitors for navigation and positioning applications, they now appear ever more frequently in complementary roles — often within the same solution or system design.

February 22, 2012
Teddington (Greater London), UK
June 12, 2012 - June 15, 2012
Colorado Springs, Colorado USA
Events • February 9, 2012

2012 Joint Navigation Conference begins on Tuesday, June 12, one day later than planned

The 2012 Joint Navigation Conference, previously scheduled to begin at the Crowne Plaza in Colorado Springs on Monday, June 11 will instead open on Tuesday, June 12 and run through Friday, June 15.

The change was made to accommodate the classified sessions that now will take place on Friday at the United States Air Force Academy.

February 8, 2012

Aviation Subcommittee Hearing Moves Beyond LightSquared to GPS Spectrum Protection

U.S. Deputy Secretary of Transportation John Porcari told a congressional committee today (February 8, 2012) that the expenditure of “substantial federal resources” in assisting LightSquared to gain approval for its terrestrial wireless broadband system was “unusual” yet “merited,” but that “further investment cannot be justified at this time.”

January 27, 2012

Big Solar Storm, Little GPS Effect

Although it was billed as the strongest for the past eight years and coincided nicely with the American Meteorological Society (AMS) annual meeting in New Oreans, this week’s solar storm apparently had a limited effect on GPS receivers and users.

January 28, 2012

LightSquared GPS Interference Controversy: Senate Investigation Won’t End with FCC Decision

A Senate investigation into how the Federal Communications Commission (FCC) handled a request to rezone spectrum adjacent to GPS frequencies for LightSquared’s powerful wireless network will continue whether the FCC nixes the plan or not.

Sen. Chuck Grassley, R-Iowa, has been looking into whether the FCC fast-tracked its review of the Virginia firm’s proposal to build a 4G broadband network with signals that would be, tests now show, powerful enough to interfere dramatically with GPS receivers.

January 27, 2012

The Return of SVN49

In an effort to improve constellation sustainment, on or about Feb. 1, 2012, SVN-49 will resume transmitting an L-band signal using PRN24 as a test asset, according to the U.S. Air Force Space Command. Upon completion of the test event, SVN-49 will once again be decommissioned from active service.  PRN24 will then once again be available for future satellite service.

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