agriculture

February 1, 2013

Hemisphere GPS Sells Non-Agricultural Operations to Chinese Company

[Updated February 4, 2013] Hemisphere GPS Inc. moved closer to a final exit from the OEM GNSS space yesterday (January 31, 2013) by signing a definitive agreement to sell the business assets associated with its non-agricultural operations to the Canadian subsidiary of Beijing UniStrong Science & Technology Co. Ltd., which will operate under the name  The cash sale price was $14.96 million.

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By Inside GNSS
January 25, 2013

GNSS Hotspots | January 2013

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. TIMING IS EVERYTHING
Washington, D.C.

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By Inside GNSS
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October 15, 2012

GNSS Augmentations

Dr. Todd Walter, Stanford University

Contrary to a widely held public impression, the elimination of GPS Selective Availability in 2000 did not take care of the needs that many users have for enhanced GNSS capabilities.

Indeed, various “augmentations” have been developed to meet the requirements of some applications for better accuracy, availability, or integrity (the assurance of the quality of a signal) than are available from GNSS signals in space.

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By Inside GNSS
September 20, 2012

What’s Happening at ION GNSS 2012

ION GNSS 2012 ienjoyed clear skies and warm temperatures at the Nashville Convention Center in Tennessee. The U.S. Institute of Navigation-sponsored venerable conference closed on Friday, September 21. 

Thursday’s workshops featured expanded discussion on China’s Compass/Beidou-2 and Europe’s  Galileo. Two more Beidou MEO satellites were launched during the conference for a total of 15. Meanwhile, Europe plans an October 10 launch that will bring the total to four. Speakers "guaranteed a 30 satellite constellation by 2020."

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By Inside GNSS
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August 17, 2012

PNT Advisory Board Seeks Details on Economic Benefits of GPS

To help counter pressures from federal budget cutters and wireless advocates searching for more broadband spectrum, the National Space-Based Positioning, Navigation, and Timing (PNT) Advisory Board is crafting a study documenting the economic benefits of GPS.

“We have a new assignment . . . to discover and disclose the economic contributions of the Global Positioning System,” Chairman Jim Schlesinger told the board at an August 15, 1012 meeting of the advisory board.

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By Dee Ann Divis
July 5, 2012

INS Face Off

TOP PHOTO: Antenna configurations on trials vehicle: Dual GPS antennas for the INS under test and single GPS antenna for the CIMU; BOTTOM PHOTO: Commercial IMU/DGPS system used for reference (left), FOG-based INS configuration (middle), and MEMS-based INS configuration 2 (right)

The automobile versus the horse and buggy. Cloud computing opposite desktop software. The trend is predictable, yet it is always surprising when one technology takes over the market space of another. After all, television did kill off the radio star.

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By Inside GNSS
April 25, 2012

FAA Extends Raytheon’s WAAS Contract

The Federal Aviation Administration (FAA) has awarded Raytheon Company a two-year contract extension to continue to provide services for the Wide Area Augmentation System (WAAS). The $30.1 million contract extends the period of performance through Sept. 24, 2013.

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By Inside GNSS
March 31, 2012

GNSS Hotspots | March 2012

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. DEAD IN THE WATER
San Francisco, California and Washington D.C., USA

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By Inside GNSS
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