Message-ID: <4B75CA0F.2060702@jpl.nasa.gov> Date: Fri, 12 Feb 2010 13:37:19 -0800 From: Robert Khachikyan User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) To: igs-equipment-files@igscb.jpl.nasa.gov, igsmail@igscb.jpl.nasa.gov Subject: [IGSMAIL-6077]: Update: igs05.atx with SVN35/PRN25 changes Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-igsmail Precedence: bulk ****************************************************************************** IGS Electronic Mail 12 Feb 13:34:11 PST 2010 Message Number 6077 ****************************************************************************** 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_1570.atx'. It contains the following changes: 1) A decommission date for the following satellite has been added: G25 (G025): 8 February 2010 "GPS satellite SVN25/PRN25, which was decommissioned from active service and removed from broadcast almanacs on 18 December 2009, stopped transmitting valid L1/L2 signals on 8 February 2010. Although the satellite had been set unhealthy, it was still being tracked by stations of the International GNSS Service." https://listserv.unb.ca/cgi-bin/wa?A2=ind1002&L=CANSPACE&T=0&F=&S=&P=10446 2) According to 'NANU 2010024' the following satellite has been added: G25 (G035) NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2010024 NANU TYPE: GENERAL *** GENERAL MESSAGE TO ALL GPS USERS *** ON APPROXIMATELY 11 FEB 10 SVN35 WILL RESUME TRANSMITTING L-BAND UTILIZING PRN25. AT L-BAND ACTIVATION, SVN35/PRN25 WILL BE UNUSABLE UNTIL FURTHER NOTICE. ADDITIONALLY, NO BROADCAST ALMANACS WILL INCLUDE SVN35/PRN25. FUTURE NANUS WILL INFORM USERS OF ANY CHANGES TO THE ABOVE-STATED STATUS. *** GENERAL MESSAGE TO ALL GPS USERS *** http://www.navcen.uscg.gov/archives/GPS/2010/NANUS/2010024.nnu The updated antenna correction model is available at ftp://igs.org/pub/station/general/igs05_1570.atx or ftp://igs.org/pub/station/general/igs05.atx With best regards, Ralf Schmid and Robert Khachikyan on behalf of the IGS Antenna Working Group