timing

December 18, 2017

GPS III RFP Delayed Again as GAO Underscores GPS Schedule Challenges

An additional delay in release of the GPS III RFP emerged just as federal watchdogs released a new report detailing the challenges Air Fore managers will face in keeping all the components of the modernization program on track.

The long-expected report from the Government Accountability Office looks at the overall effort to update GPS including developing a new ground system, more capable receiver cards for military equipment and new satellites to sustain and improve the constellation.

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By Inside GNSS
November 30, 2017

Army Launches 5-Year PNT Technology R&D Program

The Army is kicking off a wide-ranging, five-year research effort to develop new position, navigation and timing (PNT) technologies for battlefield use.

The goal is to overcome technical barriers in a wide range of areas and military officials are offering to fund multiple, and even multi-phase, cost-plus-fixed-fee (CPFF) efforts to do that. The work may range from studies and analysis to development work that results in the production of a prototype-style deliverable or breadboard and/or a demonstration.

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By Dee Ann Divis
November 27, 2017

GNSS Hotspots

One of 12 magnetograms recorded at Greenwich Observatory during the Great Geomagnetic Storm of 1859
1996 soccer game in the Midwest, (Rick Dikeman image)
Nouméa ground station after the flood
A pencil and a coffee cup show the size of NASA’s teeny tiny PhoneSat
Bonus Hotspot: Naro Tartaruga AUV
Pacific lamprey spawning (photo by Jeremy Monroe, Fresh Waters Illustrated)
“Return of the Bucentaurn to the Molo on Ascension Day”, by (Giovanni Antonio Canal) Canaletto
The U.S. Naval Observatory Alternate Master Clock at 2nd Space Operations Squadron, Schriever AFB in Colorado. This photo was taken in January, 2006 during the addition of a leap second. The USNO master clocks control GPS timing. They are accurate to within one second every 20 million years (Satellites are so picky! Humans, on the other hand, just want to know if we’re too late for lunch) USAF photo by A1C Jason Ridder.
Detail of Compass/ BeiDou2 system diagram
Hotspot 6: Beluga A300 600ST

1. Mapping Air Traffic, Rainy Seasons, and More
Sahel, Africa

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By Inside GNSS