Subject: [SIR-Mail] No.340: igs08_1685.atx: Update including reactivated Block IIA satellite SVN37/PRN24 From: Laura Sanchez ******************************************************************************** SIR Electronic Mail 2012-04-27 08:56:19 UTC Message No. 340 ******************************************************************************** Dear IGS colleagues! The absolute IGS antenna correction file (igs08_wwww.atx) has been updated. The new release is called ´igs08_1685.atx´. It contains the following changes: 1) According to Stefan Schaer (CODE) BLOCK IIA satellite SVN37 is active utilizing PRN24 since today. Therefore, the following satellite has been added to igs08.atx: G24 (G037) The switch from SVN32 to SVN37 was announced in ´NANU 2012024´: NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2012024 NANU TYPE: GENERAL *** GENERAL MESSAGE TO ALL GPS USERS *** ON APPROXIMATELY 25 APR 2012 SVN37 WILL RESUME TRANSMITTING L-BAND UTILIZING PRN24. AT L-BAND ACTIVATION, SVN37/PRN24 WILL BE UNUSABLE UNTIL FURTHER NOTICE. ADDITIONALLY, NO BROADCAST ALMANACS WILL INCLUDE SVN37/PRN24. FUTURE NANUS WILL INFORM USERS OF ANY CHANGES TO THE ABOVE-STATED STATUS. http://cgls.uscg.mil/pipermail/nanu/2012-April/001406.html 2) A decommission date for the following satellite has been added: G24 (G032): 25 April 2012 The updated antenna correction model is available at ftp://igs.org/pub/station/general/igs08_1685.atx or ftp://igs.org/pub/station/general/igs08.atx Many thanks to Stefan Schaer and Richard Langley for their help! With best regards, Ralf Schmid and Robert Khachikyan on behalf of the IGS Antenna Working Group _______________________________________________ IGSMail mailing list IGSMail@igscb.jpl.nasa.gov http://igscb.jpl.nasa.gov/mailman/listinfo/igsmail ********************************************************************************