Defense News

GPS IIF-6 Launch Tracked by GPS, Not Radar

May 19, 2014By

Friday’s launch of a Delta 4 rocket carrying the latest GPS satellite was tracked via GPS itself instead of by radar, reports Spaceflight Now in an article. United Launch Alliance’s Atlas and Delta rockets are transitioning to GPS metric tracking for range safety functions, which protect the public and property should a launch vehicle veer off course. The move is a... read more

Sparton Introduces GPS-Assisted Inertial Navigation System

May 6, 2014By

Sparton Corporation has announced that Sparton Navigation and Exploration will introduce its GPS/ GNSS Assisted Inertial Navigation System, GAINS-10, at AUVSI Unmanned Systems 2014. GAINS-10 provides accurate inertial navigation in the presence of mechanical shock, transient platform vibrations and extreme magnetic interference. It features high speed, synchronous sampling of all inertial systems combined with high rate coning and sculling compensation... read more

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Tallysman Offers Low Current Multi-Constellation Compact GPS Antennas

April 25, 2014By
Tallysman TW4327 and TW4329 antennas.

Tallysman Wireless, Inc., is offering a family of very low power, compact, high-performance GNSS antennas for precision, commercial, and military applications. Based in Ottawa, Canada, Tallysman Wireless,  is a designer and manufacturer of high-performance GNSS, Iridium, and Globalstar antennas and associated components. The TW4327 and TW4329 are low-power GPS L1 + GLONASS G1 antennas that feature current consumption of 1.75 mA... read more

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Braxton LADO System Supports 10th GPS Satellite Initialization

April 21, 2014By

GPS IIF-5 was launched on February 20 and turned over to the 2nd Space Operations Squadron (2 SOPS) for operations on March 5. This was the 10th successful launch and initialization using Braxton Technologies‘ Launch, Anomaly Resolution, and Disposal Operations (LADO) system. LADO has performed all the mission planning, commanding and telemetry processing necessary to prepare all GPS satellites for... read more

Locata Warns: Lessons to Be Learned from GLONASS Spasm

April 15, 2014By
Locata-O

Calling it an “unprecedented and deeply worrying total disruption . . . [that] shook the industry,” Locata Corporation reiterated its call for redundant terrestrial systems to back up GNSS in the wake of the April 1 11-hour GLONASS system outage. Nunzio Gambale, Locata CEO, said “We have been telling the industry for years that you cannot have a critically important... read more

Report Focuses on Global Military GNSS Market

March 31, 2014By

A new defense market report from Strategic Defence Intelligence has been released. “The Global Military GPS/GNSS Market 2013-2023 – SWOT Analysis: Market Profile“ provides readers with an exhaustive analysis of industry characteristics, determining the strengths, weaknesses, opportunities and threats faced by the Military GPS/GNSS market. This SWOT analysis of military GPS/GNSS market is designed for industry executives and anyone looking... read more

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Exelis GPS Threat Detection Helped Safeguard Super Bowl XLVIII

March 18, 2014By

Signal Sentry 1000, an Exelis product that detects and locates GPS interference sources in 3D by using longitude, latitude and altitude, was deployed during Super Bowl XLVIII at the MetLife Stadium in East Rutherford, New Jersey. During the Super Bowl, GPS devices were used extensively to track and monitor the location of team members and officials. GPS was also used... read more

GPS III Payload Facing Delays

February 11, 2014By

Gen. William Shelton, chief of Air Force Space Command, said the date when prime contractor Lockheed Martin and payload manufacturer Exelis are expected to have the first GPS satellite ready for launch will slip from its original target at the end of this fiscal year, according to National Defense Magazine. Technical difficulties are slowing the development process, he said. “We’re... read more

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