Subject: [SIR-Mail] No.748: igs08_1758.atx: Update including reactivated Block IIA satellite SVN37/PRN30 From: Laura Sanchez ******************************************************************************** SIR Electronic Mail 2013-09-18 09:46:03 UTC Message No. 748 ******************************************************************************** Dear IGS colleagues! The absolute IGS antenna correction file (igs08_wwww.atx) has been updated. The new release is called ´igs08_1758.atx´. It contains the following changes: 1) According to NANU 2013054, Block IIA satellite SVN37 ”will resume transmitting L-band utilizing PRN30 on approximately 19 SEP 2013”. Therefore, the following satellite has been added to igs08.atx: G30 (G037) The date (currently 18 September 2013 in igs08_1758.atx) might be corrected with the next release. Source: > NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2013054 NANU TYPE: GENERAL > *** GENERAL MESSAGE TO ALL GPS USERS *** On approximately 19 SEP 2013 > SVN37 will resume transmitting L-band utilizing PRN30. At L-band > activation, SVN37/PRN30 will be unusable until further notice. > Additionally, no broadcast almanacs will include SVN37/PRN30 until > further notice. http://cgls.uscg.mil/pipermail/nanu/2013-September/001525.html 2) A decommission date for the following satellite has been added: G30 (G032): 16 September 2013 According to the IGS tracking statistics provided by CODE (ftp://ftp.unibe.ch/aiub/igsdata/odata_gnss_day.txt), SVN32 stopped signal transmission on 16 September 2013 (DOY 259). The updated antenna correction model is available at ftp://igs.org/pub/station/general/igs08_1758.atx or ftp://igs.org/pub/station/general/igs08.atx With best regards, Ralf Schmid on behalf of the IGS Antenna Working Group _______________________________________________ IGSMail mailing list IGSMail@igscb.jpl.nasa.gov http://igscb.jpl.nasa.gov/mailman/listinfo/igsmail ********************************************************************************