Subject: [SIR-Mail] No.424: igs08_1700.atx: Update including reactivated Block IIR-M satellite SVN49/PRN24 From: Laura Sanchez ******************************************************************************** SIR Electronic Mail 2012-08-07 07:27:16 UTC Message No. 424 ******************************************************************************** Author: Ralf Schmid and Robert Khachikyan on behalf of the IGS Antenna Working Group Dear IGS colleagues! The absolute IGS antenna correction file (igs08_wwww.atx) has been updated. The new release is called ´igs08_1700.atx´. It contains the following changes: 1) According to NANU 2012049 BLOCK IIR-M satellite SVN49 ”will resume transmitting L-band on approximately 08 AUG 2012”. Therefore, the following satellite has been added to igs08.atx: G24 (G049) Source: NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2012049 NANU TYPE: GENERAL *** GENERAL MESSAGE TO ALL GPS USERS *** On approximately 08 AUG 2012 SVN49 will resume transmitting L-band utilizing PRN24. At L-band activation, SVN49/PRN24 will be unusable until further notice. Additionally, no broadcast almanacs will include SVN49/PRN24. Future NANUs will inform users of any changes to the above-stated status. http://celestrak.com/GPS/NANU/2012/nanu.2012049.txt 2) A decommission date for the following satellite has been added: G24 (G037): 30 May 2012 The updated antenna correction model is available at ftp://igs.org/pub/station/general/igs08_1700.atx or ftp://igs.org/pub/station/general/igs08.atx Many thanks to Richard Langley for his 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 ********************************************************************************