Beidou G2, launched last April, has drifted 10 degrees from its initial geostationary
orbital slot. G2 is the Chinese global navigation satellite system's second satellite.
This may mean that it is uncontrollable and has been abandoned. Such a failure — if it is
one — may delay launch of new satellites to begin filling out the Chinese GNSS, which is
also known as Compass. As previously reported, demonstration satellite Beidou 1D is also
adrift.
For more, read Editor Alan Cameron's Wide Awake blog.
http://www.gpsworld.com/gnss-system/wide-awake-dirt-6500