From schmid at tum.de Wed Jan 4 06:33:00 2017 From: schmid at tum.de (Ralf Schmid) Date: Wed, 4 Jan 2017 15:33:00 +0100 Subject: [IGSMAIL-7406] igs08_1930.atx: Update including reactivated Block IIR-M satellite SVN49/PRN04 Message-ID: <06cda632-8902-3d3c-2dfe-646d1b7b1073@tum.de> Dear IGS colleagues! A happy and healthy new year to all of you! The absolute IGS antenna correction file (igs08_wwww.atx) has been updated. The new release is called 'igs08_1930.atx'. It contains the following changes: 1) According to NANU 2017001, Block IIR-M satellite SVN49 will resume transmitting L-band utilizing PRN04 on approximately 5 January 2017. Therefore, the following satellite has been added to igs08.atx: G04 (G049) NANU message 2017001: > NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2017001 NANU TYPE: GENERAL > *** GENERAL MESSAGE TO ALL GPS USERS *** > ON APPROXIMATELY 05 JAN 2017, SVN49 WILL RESUME TRANSMITTING L-BAND UTILIZING PRN04. AT L-BAND ACTIVATION, SVN49/PRN04 WILL BE UNUSABLE UNTIL FURTHER NOTICE. ADDITIONALLY, NO BROADCAST ALMANACS WILL INCLUDE SVN49/PRN04 UNTIL FURTHER NOTICE. http://www.navcen.uscg.gov/?Do=gpsShowNanu&num=2017001 2) According to CODE, G034 stopped signal transmission on 3 January 2017. Therefore, a decommission date for the following satellite has been added: G04 (G034): 3 January 2017 The updated antenna correction model is available at ftp://ftp.igs.org/pub/station/general/igs08_1930.atx or ftp://ftp.igs.org/pub/station/general/igs08.atx Many thanks to Andreja Susnik and Rolf Dach for their help! With best regards, Ralf Schmid on behalf of the IGS Antenna Working Group