Subject: [SIR-Mail] No.1218: igs08_1837.atx: Update including Block IIF satellite G071 From: Laura Sanchez This is a copy of [IGSMAIL-7071] igs08_1837.atx: Update including Block IIF satellite G071 Dear IGS colleagues! The absolute IGS antenna correction file (igs08_wwww.atx) has been updated. The new release is called ´igs08_1837.atx´. It contains the following changes: 1) The ninth Block IIF satellite launched on 25 March 2015 has been added: G26 (G071) The following PRELIMINARY phase center offset (PCO) values were assigned: PCO_X = 39.4 cm PCO_Y = 0.0 cm PCO_Z = 160.0 cm NANU message 2015019: > NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015019 > SUBJ: SVN71 (PRN26) LAUNCH JDAY 084 > 1. NANU TYPE: LAUNCH > NANU NUMBER: 2015019 > NANU DTG: 251920Z MAR 2015 > SVN: 71 > PRN: 26 > LAUNCH JDAY: 084 > LAUNCH TIME ZULU: 1836 > > 2. GPS SATELLITE SVN71 (PRN26) WAS LAUNCHED ON JDAY 084. > A USABINIT NANU WILL BE SENT WHEN THE SATELLITE IS SET ACTIVE TO SERVICE. http://www.navcen.uscg.gov/?Do=gpsShowNanu&num=2015019 spaceflightnow.com: New bird flies for GPS navigation network http://spaceflightnow.com/2015/03/25/recap-story-new-bird-flies-for-gps-navigation-network/ nasaspaceflight.com: ULA Delta IV successfully launches GPS IIF-9 http://www.nasaspaceflight.com/2015/03/ula-delta-iv-gps-iif9/ 2) A decommission date for the following satellite has been added: G26 (G027): 16 March 2015 3) One robot calibration provided by Lantmäteriet (National Land Survey of Sweden) has been added: JNSCR_C146-22-1 NONE The updated antenna correction model is available at ftp://ftp.igs.org/pub/station/general/igs08_1837.atx or ftp://ftp.igs.org/pub/station/general/igs08.atx With best regards, Ralf Schmid on behalf of the IGS Antenna Working Group