The ninth GPS-IIF satellite, SVN-71/PRN-26, launched on 25 March 2015, has completed its operational checkout and was set to healthy and usable Monday, 20 April, 2015. See NANU 2015028 below. This brings the number of satellites transmitting the L2C signal to 16 and those transmitting the L5 signal to 09. The next GPS-IIF satellite, IIF-10/SVN-72 is tentatively scheduled for launch 16 June 2015.
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015028
SUBJ: SVN71 (PRN26) USABLE JDAY 110/2222
1. NANU TYPE: USABINIT
NANU NUMBER: 2015028
NANU DTG: 202222Z APR 2015
REFERENCE NANU: N/A
REF NANU DTG: N/A
SVN: 71
PRN: 26
START JDAY: 110
START TIME ZULU: 2222
START CALENDAR DATE: 20 APR 2015
STOP JDAY: N/A
STOP TIME ZULU: N/A
STOP CALENDAR DATE: N/A
2. CONDITION: GPS SATELLITE SVN71 (PRN26) WAS USABLE AS OF JDAY 110
(20 APR 2015) BEGINNING 2222 ZULU.
3. POC: CIVILIAN – NAVCEN AT 703-313-5900, HTTP://WWW.NAVCEN.USCG.GOV
MILITARY – GPS OPERATIONS CENTER at HTTPS://GPS.AFSPC.AF.MIL/GPSOC, DSN 560-2541,
COMM 719-567-2541, gpsoperationscenter@us.af.mil, HTTPS://GPS.AFSPC.AF.MIL
MILITARY ALTERNATE – JOINT SPACE OPERATIONS CENTER, DSN 276-3514,
COMM 805-606-3514, JSPOCCOMBATOPS@VANDENBERG.AF.MIL