SUBJ: GPS STATUS 13 Jul 2001 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15 PLANE : SLOT F4, B3, C2, D4, B4, C1, C4, A3, A1, E3, D2, F3, F1, D5 CLOCK : CS, CS, CS, RB, CS, CS, RB, RB, CS, CS, RB, RB, RB, CS BLOCK II: PRNS 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 PLANE : SLOT D3, E4 A5, E1, E2, B1, E5, D1, A2, F2, A4, B5, F5, B2, C3 CLOCK : RB, RB, CS, RB, CS, RB, CS, CS, CS, RB, CS, RB, RB, CS, CS 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) 2001081 211925Z JUN 2001 18 FCSTMX 180/1800-181/0600 2001082 300031Z JUN 2001 18 FCSTSUMM 180/1827-181/0022 2001083 031445Z JUL 2001 24 FCSTDV 191/0430-191/1630 2001084 061429Z JUL 2001 20 FCSTDV 193/1745-194/0545 2001085 061437Z JUL 2001 15 FCSTMX 194/1630-195/0430 2001086 101630Z JUL 2001 24 FCSTSUMM 191/0437-191/1617 2001087 121213Z JUL 2001 18 FCSTMX 201/1900-202/0700 2001088 121217Z JUL 2001 09 FCSTMX 201/0415-201/1615 2001089 130057Z JUL 2001 20 FCSTSUMM 193/1759-194/0051 B. ADVISORIES: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP) 2001044 160216Z MAR 2001 19 UNUSUFN 075/0126-/ C. GENERAL: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP) 3. REMARKS: A. SELECTIVE AVAILABILITY WAS TURNED OFF ON JDAY 123 (02 MAY 00) AT 0407Z B. THE POINT OF CONTACT FOR GPS MILITARY OPERATIONAL SUPPORT IS THE GPS SUPPORT CENTER AT (719)567-2541 OR DSN 560-2541. C. CIVILIAN: FOR INFORMATION, CONTACT US COAST GUARD NAVCEN AT COMMERCIAL (703)313-5900 24 HOURS DAILY AND INTERNET HTTP://WWW.NAVCEN.USCG.GOV OR FTP://FTP.NAVCEN.USCG.GOV. D. MILITARY: FOR INFORMATION, CONTACT CAPT HERB KNIERIM, 2SOPS/DOUAN NAVIGATION ANALYST AT (719)567-6614, DSN 560-6614, OR INTERNET HTTP://WWW.SCHRIEVER.AF.MIL/GPS.