[IGSMAIL-5846]: Updated Antex File: igs05_1502.atx

[Robert Khachikyan]

******************************************************************************
IGS Electronic Mail      21 Oct 10:53:45 PDT 2008      Message Number 5846
******************************************************************************

Author: Ralf Schmid and Robert Khachikyan

Dear IGS colleagues!

The absolute IGS antenna correction file (igs05_wwww.atx) has been 
updated. The new release is called 'igs05_1502.atx'. It contains the 
following changes:

1) According to 'NANU 2008130' a decommission date for the following 
satellite has been added:

G01 (G032): 16 October 2008

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2008130 NANU TYPE: GENERAL
*** GENERAL MESSAGE TO ALL GPS USERS ***
ON 16 OCT 2008, SVN32 DISCONTINUED TRANSMITTING L-BAND.  PRN01 IS 
AVAILABLE FOR FUTURE SATELLITE SERVICE.

2) According to 'NANU 2008131' the following satellite has been added:

G01 (G037)

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2008131 NANU TYPE: GENERAL
*** GENERAL MESSAGE TO ALL GPS USERS ***
ON APPROXIMATELY 23 OCT 2008, SVN37 WILL RESUME TRANSMITTING L-BAND 
UTILIZING PRN01.
AT L-BAND ACTIVATION, SVN37/PRN01 WILL BE UNUSABLE UNTIL FURTHER NOTICE.
ADDITIONALLY, NO BROADCAST ALMANACS WILL INCLUDE SVN37/PRN01.
FUTURE NANUS WILL NOTIFY USERS OF ANY CHANGES TO THE ABOVE-STATED STATUS.

3) The launch date of G060 has been corrected:

22 June 2004 --> 23 June 2004

4) The COSPAR IDs of R718 and R720 have been corrected:

R718: 2007-052A --> 2007-052C
R720: 2007-052C --> 2007-052A

5) A comment as regards the type of R711 has been added.
Source: Weber et al. (2005) Precise GLONASS orbit determination within 
the IGS/IGLOS -- Pilot Project. Adv Space Res 36(3): 369-375
"Nine basic model satellites and one GLONASS-M prototype satellite 
(GLONASS number 711) are currently (November 2004) operational, while 
the new GLONASS-M satellite (GLONASS number 701) is still in commission 
phase."

The update of the antenna correction model is available at
ftp://igscb.jpl.nasa.gov/pub/station/general/igs05_1502.atx
or
ftp://igscb.jpl.nasa.gov/pub/station/general/igs05.atx