GPS OPERATIONAL ADVISORY <br />SUBJ: GPS STATUS 23 JUN 2003<br /><br /><br />1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM):<br />A. BLOCK I : NONE <br />B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15<br /> PLANE : SLOT F4, B5, C2, D4, B4, C1, C4, A3, A1, E3, D2, F3, F1, D5<br /> CLOCK : CS, CS, CS, RB, RB, CS, RB, RB, CS, CS, RB, RB, RB, CS<br /> BLOCK II: PRNS 16, 17, 18, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30<br /> PLANE : SLOT B1, D6, E4, E1, D3, B6, E5, D1, A2, F2, A4, B3, F5, B2<br /> CLOCK : RB, CS, RB, RB, RB, CS, CS, CS, CS, RB, RB, RB, RB, RB<br /> BLOCK II: PRNS 31<br /> PLANE : SLOT C3<br /> CLOCK : RB<br />2. CURRENT ADVISORIES AND FORECASTS :<br />A. FORECASTS: FOR SEVEN DAYS AFTER EVENT CONCLUDES.<br />NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME<br />START - STOP)<br /><br /><br />B. ADVISORIES:<br />NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME<br />START - STOP)<br /><br /><br />2002145 031406Z DEC 2002 22 UNUSUFN 337/1402-/ <br />2003058 021526Z JUN 2003 05 UNUSUFN 153/1518-/ <br />2003059 091419Z JUN 2003 05 UNUSABLE 153/1518-160/1417 <br />2003060 112021Z JUN 2003 05 UNUSUFN 162/2019-/ <br />2003061 132102Z JUN 2003 05 UNUSABLE 162/2019-164/2052 <br />C. GENERAL:<br />NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME<br />START - STOP)<br /><br /><br />3. REMARKS:<br />A. THE POINT OF CONTACT FOR GPS MILITARY OPERATIONAL SUPPORT IS THE GPS <br />SUPPORT CENTER AT (719)567-2541 OR DSN 560-2541.<br />B. CIVILIAN: FOR INFORMATION, CONTACT US COAST GUARD NAVCEN AT<br />COMMERCIAL (703)313-5900 24 HOURS DAILY AND INTERNET <br />HTTP://WWW.NAVCEN.USCG.GOV<br />C. MILITARY SUPPORT WEBPAGES CAN BE FOUND AT THE FOLLOWING<br />WWW.SCHRIEVER.AF.MIL/GPS OR WWW.PETERSON.AF.MIL/USSPACE/GPS_SUPPORT