GPS OPERATIONAL ADVISORY        138
SUBJ: GPS STATUS 17 MAY 2004
1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM):
A. BLOCK I : NONE
B. BLOCK II: PRNS  1,  3,  4,  5,  6,  7,  8,  9, 10, 11, 13, 14, 15, 16
   PLANE   : SLOT F4, C2, D4, B4, C1, C4, A3, A1, E3, D2, F3, F1, D5, B1
   CLOCK   :      CS, CS, RB, CS, RB, RB, CS, CS, CS, RB, RB, RB, CS, RB
   BLOCK II: PRNS 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 31
   PLANE   : SLOT D6, E4, C3, E1, D3, E2, D1, A2, F2, A4, B3, F5, B2, C5
   CLOCK   :      RB, RB, RB, RB, RB, RB, CS, CS, RB, RB, RB, 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)
2004033       121717Z MAR 2004    05   FCSTDV       077/1430-078/0230
2004035       180027Z MAR 2004    05   FCSTSUMM     077/1452-078/0023
2004037       241732Z MAR 2004    26   FCSTMX       089/1845-090/0645
2004038       262148Z MAR 2004    30   FCSTMX       092/1315-093/0115
2004040       300010Z MAR 2004    26   FCSTSUMM     089/1927-090/0005
2004041       011707Z APR 2004    30   FCSTSUMM     092/1341-092/1703
2004042       011807Z APR 2004    03   FCSTMX       098/1730-099/0530
2004044       062015Z APR 2004    06   FCSTDV       104/0845-104/2045
2004045       072137Z APR 2004    03   FCSTSUMM     098/1810-098/2137
2004048       131819Z APR 2004    06   FCSTSUMM     104/0907-104/1818
2004051       301519Z APR 2004    31   FCSTDV       125/1815-127/1815
2004055       051045Z MAY 2004    31   FCSTSUMM     125/1828-126/1058
2004058       131738Z MAY 2004    17   FCSTDV       140/1400-141/0200
2004059       131738Z MAY 2004    17   FCSTDV       140/1400-141/0200
2004060       131805Z MAY 2004    17   FCSTCANC     140/1400-/
2004061       131807Z MAY 2004    17   FCSTCANC     140/1400-/
2004062       131812Z MAY 2004    17   FCSTMX       140/1400-141/0200
2004063       131937Z MAY 2004    16   FCSTDV       141/2345-142/1145
B. ADVISORIES:
NANU          MSG DATE/TIME       PRN  TYPE         SUMMARY (JDAY/ZULU TIME
START - STOP)
2004025       221045Z FEB 2004    02   UNUSUFN      053/1037-/
2004034       171530Z MAR 2004    06   UNUSUFN      077/1531-/
2004039       291601Z MAR 2004    06   UNUSABLE     077/1531-089/1558
2004043       051707Z APR 2004    19   USABINIT     096/1706-/
2004046       111548Z APR 2004    04   UNUSUFN      102/1511-/
2004047       111642Z APR 2004    04   UNUSABLE     102/1511-102/1629
2004049       221345Z APR 2004    08   UNUSUFN      113/1338-/
2004050       221651Z APR 2004    08   UNUSABLE     113/1338-113/1650
2004052       031229Z MAY 2004    08   UNUSUFN      124/1117-/
2004053       050607Z MAY 2004    08   UNUSABLE     124/1117-126/0503
2004054       050906Z MAY 2004    08   UNUSUFN      126/0856-/
2004056       122121Z MAY 2004    02   UNUSABLE     053/1037-133/1701
C. GENERAL:
NANU          MSG DATE/TIME       PRN  TYPE         SUMMARY (JDAY/ZULU TIME
START - STOP)
2004036       221843Z MAR 2004         GENERAL      /-/
2004057       122141Z MAY 2004         GENERAL      /-/
3. REMARKS:
A. THE POINT OF CONTACT FOR GPS MILITARY OPERATIONAL SUPPORT IS THE GPS
SUPPORT 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://WWW.SCHRIEVER.AF.MIL/GPS OR
HTTP://WWW.SCHRIEVER.AF.MIL/GPSSUPPORTCENTER