Septentrio reference station receivers now shipping to UNAVCO

February 1, 2016By
The Septentrio PolaRx5 GNSS receiver.

Septentrio has started shipments to UNAVCO of its all new multi-frequency PolaRx5 reference receiver. This follows the 2015 announcement by UNAVCO that Septentrio was selected at the Geodesy Advancing Geosciences EarthScope (GAGE) Facility preferred vendor for next-generation GNSS reference station products. The PolaRx5 incorporates Septentrio’s most advanced multi-frequency GNSS engine, with support for all major satellite signals including GPS, GLONASS, Galileo and BeiDou,... read more

China launches 21st Beidou navigation satellite

February 1, 2016By

China has launched its 21st BeiDou satellite into orbit, according to Xinhua News Agency, the official press agency of the People’s Republic of China. The launch took place at 3:29 p.m. Beijing Time (07:29 UTC) on Monday, Feb. 1. Launched from Xichang Satellite Launch Center in the southwestern province of Sichuan, the satellite was boosted by a Long March-3C carrier rocket... read more

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Sonardyne dynamic positioning fills in for GNSS disruptions

January 27, 2016By
Bordelon Marine will use a Sonardyne Ranger 2 DP-INS in its new ultra-light intervention vessel (ULIV)  Brandon Bordelon.

Bordelon Marine, providers of vessel services to operators in the Gulf of Mexico and around the world, has selected acoustically aided inertial navigation technology from Sonardyne Inc., Houston, for its new ultra-light intervention vessel (ULIV) Brandon Bordelon. The dual Ranger 2 Pro DP-INS systems, the highest specification available, will be used to track remotely operated underwater vehicles (ROVs) during inspection, repair... read more

Report GPS timing issues to NAVCEN

January 26, 2016By

GPS timing issues have been reported from some user communities to the U.S. Coast Guard Navigation Center (NAVCEN) over the last 12 hours, according to an email sent by Rick Hamilton, executive secretariat of the Civil GPS Service Interface Committee (CGSIC). “As a reminder, if you continue to experience problems, please report them immediately to NAVCEN,” Hamilton wrote. Report problems... read more

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US Coast Guard issues GPS jamming alert

January 23, 2016By

The U.S. Coast Guard issued a safety alert on Jan. 16, warning mariners of the potential detrimental impact to navigation caused by GPS interference or jamming. The warning emphasizes the importance of understanding how vessel equipment could be impacted by the loss of a GPS signal. The Coast Guard states that this past summer, multiple outbound vessels from a non-U.S.... read more

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Last Block IIF to replace oldest GPS satellite

January 22, 2016By

On Feb. 3, the Air Force plans to launch the 12th, and last, satellite in the Block IIF series of modernized GPS spacecraft. The Air Force has produced 12 IIF satellites, featuring new clocks, new civil and military signals, and other upgrades for enhanced accuracy and robustness. Currently, 31 GPS satellites are in operational service, including 11 Block IIF satellites and 20 spacecraft from... read more

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India’s fifth navigation satellite launched

January 20, 2016By

The fifth satellite in the Indian Regional Navigation Satellite System (IRNSS) constellation lifted off on time Jan. 20 from Satish Dhawan Space Center on Sriharikota Island, on India’s east coast. As in the previous four launches of IRNSS satellites, the navigation satellite rode aboard a Polar Satellite Launch Vehicle (PSLV). This is the 33rd launch for the PSLV. After the PSLV-C31 lift-off at 0401 GMT Wednesday (11:01... read more

Prize for GNSS opinions

January 19, 2016By

Geomatics specialist Larry Tinney won the $50 gift card in our January drawing among takers of the Reader Poll. You can win too! Take the poll below by Feb. 22 to answer the question: What is the biggest challenge in simulating GNSS environments for testing products under development? All poll takers will be entered in a drawing for a $50... read more

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