GPS Modernization

SVN-35 to Resume L-Band Transmission

September 4, 2014By

Starting Friday, September 5, GPS satellite SVN-35 will resume transmitting L-band signals using PRN03, according to a Notice Advisory to Navstar Users (NANU) issued today. According to GPS World Almanac editor Richard Langley, the resumption is being done in an effort to determine the exact status of SVN-35′s remaining clock. However, the satellite will remain unusable as the Air Force conducts its tests. Below... read more

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Assured PNT for Our Future: PTA

September 1, 2014By
GDGPS-Parkinson-O

Actions Necessary to Reduce Vulnerability and Ensure Availability By Brad Parkinson (From the 25th Anniversary GNSS History Special Supplement) Introduction About 40 years ago, we had a vision for positioning, navigation, and timing (PNT). That vision was more than successful, and became known as GPS. In some respects we have been almost too successful: PNT is frequently taken for granted.... read more

Canadian Science Minister Announces Grant to Langley’s UNB Lab

August 26, 2014By
Professor Langley (center) discusses the UNB geodesy program with Canadian Science Minister Ed Holder (second from left.)

The Canadian Minister of State for science and technology, Ed Holder, visited the University of New Brunswick on July 28 to announce the awarding by the Natural Sciences and Engineering Council of $2.4 million to 28 UNB researchers. He was joined by Keith Ashfield, member of Parliament for Fredericton, where UNB is based, and Craig Leonard, the New Brunswick Minister... read more

Transportation Department to Hold GPS Adjacent Band Compatibility Workshop

August 15, 2014By

The U.S. Department of Transportation is holding a “GPS Adjacent Band Compatibility Assessment Workshop” on September 18, 10 a.m.–5 p.m. Eastern Daylight Time. Registration for the workshop is required, and closes September 4. The general public can either attend in person or via WebEx. The workshop is being held to discuss implementation of a GPS Adjacent Band Compatibility Assessment. Discussion... read more

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RT Logic Wins New Contract Award for GPS OCX Ground System

August 11, 2014By

RT Logic has been awarded a $1 million follow-on contract to provide ground system components for the USAF GPS OCX program, bringing RT Logic’s total OCX contract awards to over $4 million. RT Logic is a subsidiary of Kratos Defense & Security Solutions, Inc. OCX is the next generation GPS ground system designed to bring flexibility, adaptability, and modularity to the position, navigation, and timing (PNT) mission.... read more

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Testing of Luch-5V Begins Using PRN 140

August 4, 2014By

The L-band SBAS transponder on the third Luch Multifunctional Space Relay System geostationary satellite, Luch-5V (“v” is the third letter of the Russian alphabet), launched on April 28, has started test transmissions using PRN code 140. The satellite is positioned at 95° east longitude and completes the Russian three-satellite SBAS constelltion for the System for Differential Corrections and Monitoring. Stations... read more

Launch of GPS IIF-7

August 4, 2014By

A United Launch Alliance (ULA) Atlas V rocket carrying the seventh GPS IIF satellite for the U.S. Air Force launched at 11:23 p.m. EDT Friday, August 1 (03:23 UTC, August 2), from Space Launch Complex-41 at Cape Canaveral, Florida. read more

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GPS IIF-7 Launched Safely into Orbit

August 2, 2014By
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A United Launch Alliance (ULA) Atlas V rocket carrying the seventh GPS IIF satellite for the U.S. Air Force launched at 11:23 p.m. EDT Friday, August 1 (03:23 UTC, August 2), from Space Launch Complex-41 at Cape Canaveral, Florida.The Boeing-built satellite has sent the signals to controllers that confirm it is currently operating properly within the constellation. Boeing and the Air Force... read more

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