GLONASS

Two Active GLONASS Satellites Could Cause Users Difficulties

February 28, 2013By

On day 53 (February 22) around 09:15 GPS Time, GLONASS 743 began transmitting on frequency channel 6 using almanac slot 8 (R08). It should replace GLONASS 701K (801) transmitting on frequency channel -5, previously using almanac slot 8. However, GLONASS 701K was not immediately switched off and/or did not switch slot numbers and continued to transmit on frequency channel -5... read more

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First GLONASS Station Outside Russia Opens in Brazil

February 20, 2013By

News courtesy of CANSPACE Listserv. The Moscow Times is reporting that the first overseas GLONASS ground station for differential correction and monitoring was launched in Brasilia, Brazil, on Tuesday, citing information from the Russian Federal Space Agency (Roscosmos). The station will become the first correction point in the Western Hemisphere and will significantly improve the accuracy of GLONASS navigation signals, the agency... read more

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GLONASS 743 Maneuvers toward New Position

February 13, 2013By

News courtesy of CANSPACE Listserv. According to tracking data from NORAD/JSpOC, GLONASS 743 experienced a delta-V maneuver on or about February 12 as it approached its new orbital position at Slot 8 in Plane 1. Note that GLONASS 743 is not currently in service but will likely rejoin the active constellation once the move is completed, replacing GLONASS 701K in... read more

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Symmetricom Enhances SSU 2000 Platform with GLONASS

February 5, 2013By

Symmetricom, Inc. today announced two new capabilities for its SSU 2000 Synchronization Supply Unit: a GLONASS timing reference that uses signals from the satellite navigation system operated by the Russian Aerospace Defense Forces, and Synchronous Ethernet (SyncE), an ITU-T synchronization standard that delivers frequency synchronization over the Ethernet physical layer. This enhanced version of the SSU 2000 will be the... read more

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Luch-5B Starts SBAS Test Transmissions

January 21, 2013By

News courtesy of CANSPACE Listserv. According to tracking data from stations of the International GNSS Service’s Multi-GNSS Experiment, the second Russian Luch satellite, Luch-5B, started transmitting GLONASS and GPS differential corrections on January 17, 2013, at around 11:07 UTC. Luch-5B, launched on November 2, 2012, carries a transponder for the System for Differential Correction and Monitoring satellite-based augmentation system. The... read more

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GLONASS Satellites Moving to New Slots

January 18, 2013By

News courtesy of CANSPACE listserv. On  December 21, 2012, GLONASS 712 was deactivated and replaced in almanac slot 8 by GLONASS 743, transmitting on frequency channel -6 (minus 6). At the time, the satellite was physically in orbital slot 2. On January 4, the GLONASS System Control Centre announced that GLONASS 743 was to be moved from orbital slot 2... read more

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Russia Delays Launch of GLONASS-K Satellite

December 3, 2012By

According to RIA Novosti, the launch of Russia’s second GLONASS-K satellite has been delayed until 2013 from its end-of-year launch date, Defense Ministry spokesman Col. Alexey Zolotukhin said on Monday. “The launch has been postponed due to technical flaws in the Fregat booster made by the Lavochkin space company,” Zolotukhin said. The new date for the launch will be set... read more

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Directions 2013: GLONASS Today and Tomorrow

December 1, 2012By

Since December 2011, the GLONASS system has been fully operational, providing worldwide service with 100 percent global availability and acceptable accuracy for most users. The system is globally accepted by many users, and most leading manufacturers include GLONASS in their devices. read more