GPS OPERATIONAL ADVISORY 138 SUBJ: GPS STATUS 18 MAY 2015

1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A BLOCK I : NONE B BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15 PLANE : SLOT D2, D1, E1, D6, E3, D4, A4, F3, E6, D5, B4, F6, F1, F2 CLOCK : RB, RB, RB, RB, RB, RB, RB, RB, CS, RB, RB, RB, RB, RB BLOCK II: PRNS 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 PLANE : SLOT B1, C4, E4, C3, B6, D3, E2, F4, A1, B2, B5, C2, B3, C1 CLOCK : RB, RB, RB, RB, RB, RB, RB, RB, CS, RB, RB, RB, RB, RB BLOCK II: PRNS 30, 31, 32 PLANE : SLOT A3, A2, E5 CLOCK : RB, RB, RB

2. CURRENT ADVISORIES AND FORECASTS : A FORECASTS: FOR SEVEN DAYS AFTER EVENT CONCLUDES NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP)

2015034 052207Z MAY 2015 02 FCSTDV 132/1800-133/0600 2015035 130150Z MAY 2015 02 FCSTSUMM 132/1809-133/0146 B ADVISORIES:
NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP)

C GENERAL:
NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP)

2014038 241350Z APR 2014 GENERAL /-/ 2014039 271351Z APR 2014 GENERAL /-/ 2015021 262242Z MAR 2015 GENERAL /-/ 2015032 300003Z APR 2015 GENERAL /-/

1. REMARKS: A THE POINT OF CONTACT FOR GPS MILITARY OPERATIONAL SUPPORT IS THE GPS OPERATIONS CENTER AT 719-567-2541 OR DSN 560-2541 B CIVILIAN: FOR INFORMATION, CONTACT US COAST GUARD NAVCEN AT COMMERCIAL 703-313-5900 24 HOURS DAILY AND INTERNET HTTP://WWW NAVCEN USCG GOV C MILITARY SUPPORT WEBPAGES CAN BE FOUND AT THE FOLLOWING HTTPS://GPS AFSPC AF MIL/GPS OR HTTPS://GPS AFSPC AF MIL/GPSOC http://www navcen uscg gov/?pageName=listserverunsubscribe&srvr=GPSStat