GPS OPERATIONAL ADVISORY 153.OA1 SUBJ: GPS STATUS 01 JUN 2008 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 PLANE : SLOT D1, C2, D4, B5, C1, A6, A3, A1, E3, D2, B4, F3, F1, F2 CLOCK : RB, CS, RB, RB, RB, RB, CS, CS, 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, E1, D3, E2, F4, D5, A5, F5, A4, B3, C6 CLOCK : RB, RB, RB, RB, RB, RB, RB, RB, CS, RB, RB, CS, RB, RB BLOCK II: PRNS 30, 31, 32 PLANE : SLOT B2, A2, E5 CLOCK : CS, 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) 2008043 241937Z APR 2008 30 FCSTDV 120/1000-121/0000 2008046 291824Z APR 2008 30 FCSTSUMM 120/1014-120/1719 2008047 152106Z MAY 2008 27 FCSTDV 143/1815-144/0800 2008048 230244Z MAY 2008 27 FCSTSUMM 143/1820-144/0226 2008049 292038Z MAY 2008 05 FCSTMX 155/1330-156/0130 2008050 302217Z MAY 2008 06 FCSTDV 158/0800-159/1200 B. ADVISORIES: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP) 2008044 260313Z APR 2008 02 UNUSUFN 117/0246-/ 2008045 291217Z APR 2008 02 UNUSABLE 117/0246-120/1214 C. GENERAL: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP) 3. 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 HTTP://GPS.AFSPC.AF.MIL/GPS OR HTTP://GPS.AFSPC.AF.MIL/GPSOC