Defense

GPS Source Receives USAF GPS Directorate Approval for GLI-FLO

July 29, 2013By
GPS Source's GLI-FLO.

GPS Source announced today that GLI-FLO has been granted security approval by the U.S. Air Force Global Positioning Systems Directorate. The GPS Directorate security approval provides GPS Source with the opportunity to supply military end-users and prime contractors with a DAGR Distributed Device (D3) that meets the mandate for reliability and security, GPS Source said. GLI-FLO is a secure (ICD-GPS-153... read more

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Tallysman Introduces Dual-Frequency Antenna Series

July 19, 2013By
Tallysman_O

Tallysman Wireless Inc. has added the dual-frequency TW3800 series to its high-quality precision line of antenna products. The TW3800 series antennas feature a circular stacked patch antenna for improved axial ratio, yet are small and light, and have the extended bandwidth required for L1/L2 GPS & G1/G2 GLONASS, the company said. The operating voltage range is from +2.5 to 16... read more

Lockheed Martin Delivers Antenna Assemblies for First GPS III Satellite

July 15, 2013By
GPS-III-AHI-O

Lockheed Martin has completed and is preparing to install the navigation, communication, and hosted payload antenna assemblies for the first satellite of the next-generation GPS III. Seven antenna assemblies, produced at Lockheed Martin’s Newtown, Pennsylania, facility were delivered to the company’s GPS III Processing Facility (GPF) near Denver, Colorado, on June 14.  The antennas will be installed on the first... read more

Trimble Juno T41: Rugged, Sturdy, and a Great Display

July 10, 2013By
Juno-T41_WEH_Gray_Military-W

I keep waiting for the cryptic phone call or emphatic email from Trimble that says, “You have had our evaluation units for over four months — when can we expect to see a review and when will you be returning our equipment?” Fortunately, Trimble is very understanding and would never make such a call or send such an email, I... read more

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Lockheed Martin GPS III Prototype Validates Test Facilities

July 10, 2013By
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Lockheed Martin’s GPS III Non-Flight Satellite Testbed (GNST) has successfully completed a series of high-fidelity pathfinding events which validate the process and facility for vehicle integration checkout, as well as signals interference testing, that the next-generation satellites of GPS III will go through before delivery for launch. An innovative investment by U.S. Air Force under the original GPS III development... read more

Northrop Grumman to Offer Improved GPS-Challenged Navigation and Geo-Registration Solution for U.S. Air Force

July 9, 2013By

Northrop Grumman Corporation has been awarded a phase two inertial navigation system-related contract from the Air Force Research Laboratory to continue improving geo-registration accuracy for positioning and pointing applications, even in GPS-denied conditions. Geo-registration of data is critical for accurate interaction between systems, such as locating targets and handing off coordinates to another aircraft. Geo-registration of images involves pairing unreferenced... read more

U.S. Navy Conducts Anti-Jam Tests

July 7, 2013By

In July, the Communications and GPS Navigation Program Office mounted a Small Antenna System on an Aerostar unmanned aircraft, then placed the small UAV in a room lined with signal-absorbent material, where it was subjected to GPS jamming signals. Read more about the tests here.   read more

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SMC Investigates New Potential GPS Satellite Launch Option

June 12, 2013By

The U.S. Air Force Space and Missile Systems Center has signed a Cooperative Research and Development Agreement (CRADA) with Space Exploration Technologies Corp., better known as SpaceX, as part of the company’s effort to certify its Falcon 9 v1.1 Launch System for National Security Space (NSS) missions. This cooperative agreement facilitates data exchanges and protects proprietary and export-controlled data. The... read more