New BeiDou-2/Compass Satellites Begin Transmissions

October 1, 2012  - By

News courtesy of CANSPACE Listserv.

 

The two BeiDou-2/Compass satellites launched on 18 September are now  in their circular medium Earth orbits and have started transmitting navigation signals. Several stations participating in the International GNSS Service’s Multi-GNSS Experiment as well as some in the Cooperative Network for GNSS Observation started tracking the satellites on 26 September.

From NORAD/JSpOC, we have the following orbits for the new satellites:

BEIDOU M5
1 38774U 12050A   12272.66377655 -.00000046  00000-0  00000+0 0    87
2 38774 055.0007 232.0409 0023106 183.4242 172.2126 01.86242137   380

BEIDOU M6
1 38775U 12050B   12275.26998096 -.00000027  00000-0  00000+0 0   220
2 38775 055.1037 231.4461 0018364 210.8886 135.6552 01.86257715   424

Satellite M5 is using PRN code 13 and M6 is using PRN code 14.

A plot showing the argument of latitude vs. longitude of ascending node for the BeiDou-2/Compass MEO satellites, including the M1/C30 test satellite, can be downloaded.

The plane spacing for the operational satellites is about 120 degrees. The slot spacings seem to be about 45 degrees.

This article is tagged with and posted in BeiDou/Compass, GNSS News
GPS World staff

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