GNSS

Galileo 9 and 10 now broadcasting navigation messages

February 2, 2016By
Galileo_signals-O

Europe’s ninth and tenth Galileo satellites have started broadcasting working navigation messages. The two satellites were launched together on Sept. 11, 2015. read more

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

Launch of last GPS IIF satellite shifts to Friday

February 2, 2016By
GPS-IIF-launch-ULA-O

The U.S. Air Force plans to launch the 12th — and final — satellite in the Block IIF series of modernized GPS spacecraft this week. Originally scheduled to launch Feb. 3, the launch has been moved to Friday, Feb. 5. According to United Launch Alliance (ULA), the cause for the schedule slip was “concerns over the integrity of electrical connectors on the Atlas V... read more

Air Force determines cause of GPS timing issue

February 2, 2016By

On Jan. 26 at 12:49 a.m. MST, the 2nd Space Operations Squadron (2 SOPS) at the 50th Space Wing, Schriever Air Force Base, Colo., verified users were experiencing GPS timing issues. Further investigation revealed an issue in the GPS ground software that only affected the time on legacy L-band signals. This change occurred when the oldest vehicle, SVN 23, was... read more

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

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
BeiDou-21st-Feb1-16-launch-O

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

This article is tagged with , , , and posted in Featured Stories, GNSS

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

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

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

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