GLONASS


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GLONASS

[′glō‚nas]
(navigation)
A worldwide Russian navigation system designed to use 24 satellites in three uniformly spaced orbital planes to provide three-dimensional position and velocity data to equipped users on or above the earth's surface. Acronym for global orbiting navigation satellite system.

GLONASS

(GLObal NAvigation Satellite System-GLObalnaya NAvigatsionnaya Sputnikovaya Sistema) A satellite-based radio navigation system run by the Russian Ministry of Defense. It uses 21 MEO satellites and three spares. Similar to the global positioning system (GPS) in the U.S., GLONASS enables 3D positioning anywhere on earth within 100-150 meters for the public and 10-20 meters for the military. The first satellite was launched in 1982, and the system became operational in 1993, although the full complement of satellites was not completed until 1995. See GPS, Galileo and GNSS.
References in periodicals archive ?
According to GLONASS ICD 2008 the computation of the satelite positron at time t from a satellite state vector with reference time [t.sub.e] requires the numerical integration where the longest integration period recommended should be 15 min forward and backward from the current state vector.
Another problem that needs further investigations is usage of different PCV (Phase Center Variations) models for GPS and GLONASS. Currently, all GNSS elaborations use PCV for GPS.
For all selected antenna types (also for the TRM59900.00 SCIS antenna where there were no changes in the PCC model due to the switching from igs08.atx to igs14.atx), the data from the igs08.atx file were reduced to the offset values present in the igs14.atx file and then PCC differences (dPCC) were calculated for L1, L2 frequencies as well as "iono-free" (IF) combinations for both GPS and GLONASS signals.
By 2020, Glonass should reach a global positioning accuracy of 60 cm.
Previous Elf receivers were solid performers, but the new receiver with both GPS and GLONASS step up performance to an even higher level.
"Three new Glonass satellites will be launched from the Baikonur space center on July 2," Rogozin said at a meeting with Prime Minister Dmitry Medvedev on Monday.
The centers will provide services based on data received via Glonass satellites for monitoring traffic safety, road planning and transportation on federal highways as well as dangers such as landslides, avalanches and mud flow, they said.
SIMCom Wireless Solutions [http://www.sim.com/wm ], a worldwide specialist in machine-to-machine (M2M) technology, has successfully concluded tests of SIMCom's GSM module for eCall / ERA Glonass readiness on Russia's real network.
The GPStation-6 provides signal tracking, ionospheric scintillation and TEC measurements for all current and upcoming GPS, Glonass, Galileo and Compass satellitesignals.
He also said India will be the main Russian partner in the commercialisation of the GLONASS, a space-based navigation system to rival the US Pentagon-controlled Global Positioning System (GPS).
GLONASS or GLO bal NA vigation S atellite S ystem is Russia's equivalent of the US's GPS