Defense

GPS Glitch Two Years Older than First Stated

April 15, 2015By

On Wednesday, the GPS Directorate said further data analysis shows that a technical error affecting some Boeing GPS IIF satellites first appeared in 2011, two years earlier than originally stated, according to a Reuters report. The error first appeared one year after the GPS IIF satellites became operational. The error affects the way the ground control system builds and uploads messages transmitted by the satellites, but... read more

Air Force to Award Additional GPS III Satellite Contracts

April 15, 2015By

The U.S. Air Force plans to award multiple contracts for companies to demonstrate their ability to build GPS III satellites, according to a report by Mike Gruss of Space News. The Air Force expects to award the contracts — worth up to $6 million — during this calendar year. Lockheed Martin Space Systems of Denver is the current GPS III satellite contractor, building the first eight GPS III satellites. The... read more

U.S. Navy to Deploy Underwater Drones from Submarines

April 15, 2015By
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The U.S. Navy plans to deploy its first underwater drones from submarines later this year, according to a report by Military.com. The website quoted Rear Adm. Joseph Tofalo, the Navy’s director of undersea warfare, who said the deployment will include the use of the Remus 600 Unmanned Underwater Vehicles (UUVs) to perform undersea missions around the globe. “Now you are talking about a submarine... read more

AUVSI Unmanned Systems Offers Demonstrations, Exhibits

April 15, 2015By

The Association for Unmanned Vehicle Systems International (AUVSI) will host Unmanned Systems 2015, which will run from May 4-7 at the Georgia World Congress Center Atlanta. With 8,000 attendees from around the world, Unmanned Systems 2015 is the largest expo and trade show in the industry, according to AUVSI. The event will include three days of interactive exhibits and exciting... read more

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GPS III Update: First Satellite Ready for Testing

April 14, 2015By

Report from the 31st Space Symposium COLORADO SPRINGS, Colo. — I had the pleasure of having an early breakfast on this beautiful Colorado morning with Mark Stewart, VP and program manager at Lockheed Martin in Denver for the GPS III program. Mark was very upbeat, a normal state for him actually, and stated that GPS III SV1 was fully integrated — payload, bus... read more

DARPA Ocean Drone Would Lift ‘Upward Falling Payloads’

April 10, 2015By
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DARPA is looking for technology communities that can team to provide expertise and innovation for small sensors, expendable and small unmanned systems, and distributed communications and navigation technology. read more

What to Do, Who to See at the 31st Space Symposium

April 8, 2015By
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Every year before I attend the Space Symposium, I make a list of topics to explore and people to talk to, both as a journalist and in my senior space analyst profession. I thought I would share my topics and names with you, because you may have some of the same interests — including GPS III, OCX and up-and-coming executives and officers. read more

Tallysman GPS/GNSS Antennas Available in Australia, New Zealand

April 7, 2015By
TW4421 wideband dual-feed GPS/GLONASS antenna.

Two dual-feed GPS/GLONASS antennas from Tallysman’s GNSS antenna range are now available in Australia and New Zealand through M2M Connectivity. Tallysman is a Canada-based developer of high-performance GNSS antennas focused on the requirements for precision and multi-constellation GNSS receivers. Featuring a dual-feed wide-band patch element, Tallysman’s TW2410 and TW4421 antennas cover the GPS L1, GLONASS G1 and SBAS (WAAS, EGNOS and MSAS) frequency band... read more