Navstar has issued a correction to NANU 2012003 on SVN-49, which was issued on January 30. "In an effort to improve constellation sustainment, on or about 01FEB2012, SVN-49 will resume transmitting an L-band signal using PRN-24 as a test asset. Upon completion of the test event, SVN-49 will once...More>>

On the same day that a LightSquared VP told an Institute of Navigation audience that moving to a different spectrum posed extremely formidable difficulties, a company working on behalf of LightSquared contacted a Department of Defense official to discuss just such a spectrum swap. More>>

GPS satellite SVN-49 will begin transmitting an L-band signal on Wednesday, February 1, reports Rick Hamilton, executive secretariat of the Civil Global Positioning System Service Interface Committee (CGSIC). The transmission is part of a "quest to explore options to bringing SVN-49 back to...More>>

“We invite comment on LightSquared’s petition, and establish a pleading cycle.” Thus spake the Federal Communications Commission (FCC), groping for a way forward in the ongoing LightSquared/GPS conflict. The FCC has opened an Internet docket for public comment on the LightSquared position...More>>

Ashton Carter, U.S. deputy secretary for defense, and John Porcari, deputy secretary for transportation, have written an official letter to the assistant secretary for commerce, stating that "there appear to be no practical solutions or mitigations that would permit the LightSquared broadband...More>>

The U.S. Air Force has awarded Lockheed Martin a $238 million contract for production of the third and fourth satellites in the next-generation GPS III constellation. The acquisition of the next two GPS III satellites at one time will allow the Lockheed Martin-led team to maximize efficiencies in...More>>

The U.S. Air Force has awarded Lockheed Martin a $21.5 million contract to provide a Launch and Checkout Capability (LCC) to command and control all GPS III satellites from launch through early on-orbit testing. The LCC, which will be integrated into the Raytheon-developed Next Generation...More>>

Javad Ashjaee, president and CEO of JAVAD GNSS, invites engineers "who want to roll up their sleeves" to a working session at his company's San Jose, California facility on Tuesday, January 17, to "find solutions and discuss technical details" related to the LightSquared/GPS conflict.More>>

The following updates to GNSS constellations is provided by the CANSPACE Listserv. Included are updates on GPS, GLONASS, Beidou-2/Compass, and SDMA.More>>

U.S. government tests show that LightSquared signals cause harmful interference to a large majority of tested general-purpose GPS receivers. Conclusion: "Immediate use of satellite service spectrum for terrestrial service not viable because of system engineering and integration challenges."More>>