GNSS

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
GPS_IIF-7_Launch-O

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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A Long Look at Advanced Multisensor Navigation and Positioning

July 30, 2014By

A modern-day fable related by Steven Covey tells of a civil engineer leading a crew engaged in building a road through a dense jungle. Each day the engineer’s adept management, the crew’s motivation and energy, and the high-tech equipment at their disposal pushed the new road well beyond scheduled targets. Midway through the allotted month, the engineer decided to climb... read more

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Seventh GPS IIF Satellite Lauch Planned for Friday

July 29, 2014By
Photo credit: United Launch Alliance.

The Air Force is set to launch the seventh GPS IIF satellite this Friday. An Atlas V 401 will launch the GPS IIF-7 mission for the U.S. Air Force on Friday, August 1, from Space Launch Complex (SLC)-41 at Cape Canaveral Air Force Station, Florida. The 18-minute launch window opens at 11:23 p.m. EDT. A live webcast of the launch will begin at 11:03 p.m. EDT. To... read more

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First Galileo Commercial Service Demonstration with Encrypted Signals

July 29, 2014By

Galileo’s Early Proof of Concept (EPOC) team has successfully tracked the encrypted Galileo E6-B and E6-C signals broadcast by Galileo satellites. As a result, the Commercial Service loop has been closed using both encrypted and non-encrypted signals, GSA said. During a 10-day testing period, receivers in Tres Cantos, Spain and Poing, Germany, showed the successful tracking and data demodulation of... read more

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General Dynamics Awarded $25M by Lockheed for GPS III Program

July 29, 2014By

At least some of the work on GPS III continues along prepared tracks, with the award of a Lockheed Martin contract to General Dynamics for two more satellites’ worth of communications hardware. General Dynamics Advanced Information Systems, a business unit of General Dynamics, was awarded a $25.4 million full-production contract from Lockheed Martin to support the GPS III Network Communications Element (NCE)... read more

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Boeing, Northrop Grumman Enter GPS III Bid

July 8, 2014By

Northrop Grumman and Boeing have responded to a U.S. Air Force call for contractors interested in building a follow-on set of GPS III satellites, according to a report in Space News. Lockheed Martin is under contract to deliver the first eight GPS III satellites, but the award for up to 22 further IIIs remains open. Difficulties with the payload for... read more