GNSS

NDGPS loses interior, keeps coast

July 25, 2016By and

Heartland Corrections Services Now Commercial or WAAS-only The U.S. Coast Guard, Department of Transportation and Army Corps of Engineers have reduced the number of Nationwide Differential Global Positioning System (NDGPS) sites that will be decommissioned. The course correction keeps a coastal and Mississippi River network of stations largely intact, while discontinuing inland services. Last year at this time, the agencies... read more

This article is tagged with , , , and posted in From the Magazine, GNSS

Iridium/GPS carrier phase positioning, fault detection

Interest in the Iridium constellation as a potential alternative and back-up provider of positioning and timing has increased with the announcement of impending operational capability. Overall concept information is hard to come by, but this 2009 ION GNSS paper gives an early look. The text is from the paper’s abstract. The iGPS high-integrity precision navigation system combines carrier phase ranging... read more

ComNav releases new-generation OEM Boards

July 18, 2016By
K708 OEM Board

ComNav Technology has released its advanced K700 and K708 GNSS OEM boards to the international market. With the advanced ComNav application-specific integrated circuit (ASIC) chip, K7-series OEM boards have higher observation data quality and lower power consumption compared to previous K5-series OEM boards. The data output rate also increases substantially by working with a new Atmel processor. As a cost-effective GNSS OEM board, K700 is... read more

This article is tagged with , , and posted in GNSS, Latest News, OEM

Naval Academy brings back celestial navigation courses

July 18, 2016By

The Naval Academy has brought back celestial navigation courses, recognizing the importance of giving future naval officers the ability to find their position out at sea in case GPS is unavailable through jamming or hacking. read more

This article is tagged with , , and posted in GNSS, Mapping, Opinions

BeiDou industry on path similar to GPS

July 13, 2016By
Startup companies seven years ago have grown into large, vertically integrated higher end suppliers, opening the low-cost, general purpose market sector for new entrants.

The domestic Chinese satellite navigation industry is thriving, based on the growing availability of Beidou signals combined with the baseline GPS constellation. read more

The GPS Update Syndrome

July 13, 2016By
GPS-III-O

The I-want-free-advice syndrome was once called the “Doctor Syndrome” or “Expert Syndrome.” I have recently heard it referred to as the “unsolicited advice” syndrome, because there is a new version that involves shaming the expert in to giving free advice. Occasionally those of us with expertise in an area of interest, which certainly include doctors and lawyers, are faced with... read more

Movie preview: ‘The Night GPS Failed’

July 13, 2016By
shutterstock_343138097-damage-300

Editor-in-Chief and Group Publisher Alan Cameron gives a preview for a fictitious movie he devised called "The Night GPS Failed," based on the true story "What Happens If GPS Fails." read more

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GPS ground control making progress, but needs more money

July 12, 2016By

The Pentagon is seeking an additional $39.2 million from Congress to help develop the United States Air Force’s next-generation GPS ground control system (OCX), reports Inside Defense. Without the additional funding, the OCX would be delayed an additional four months and cost $90 million more to complete, the Pentagon said. The embattled OCX showed progress in its July 7 quarterly review,... read more

This article is tagged with , , , , and posted in Defense, GNSS, Latest News