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[IGSMAIL-5846]: Updated Antex File: igs05_1502.atx
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IGS Electronic Mail 21 Oct 10:53:45 PDT 2008 Message Number 5846
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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