[IGSMAIL-6644] SVN49 reactivated

[Stefan Schaer]

Author: Stefan Schaer

SVN49, a GPS Block IIR-M satellite launched on 24 Mar 2009, has been
reacticated as PRN24. "All-in-view" tracking stations of the IGS
network have been receiving its signals since day 222 (09 Aug 2012):

http://www.aiub.unibe.ch/download/igsdata/y2012/odata2_d222.txt
http://www.aiub.unibe.ch/download/igsdata/y2012/odata2_d223.txt

This satellite is already included in the analysis scheme at CODE.

Starting with our day 222 rapid and day 223 ultra-rapid orbit
submissions, the CODE GNSS orbit products now include 56 satellites (32
GPS plus 24 GLONASS). PRN24/SVN49 is marked unusable.

The CODE AC Team