UNCLASSIFIED
GPS OPERATIONAL ADVISORY        169.OA1
SUBJ: GPS STATUS      18 JUN 2019

1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM):
A. BLOCK I  : NONE
B. BLOCK II : PRNS  1,  2,  3,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15
   PLANE    : SLOT D2, D1, E1, E3, D4, A4, C3, F3, E2, D5, B4, F6, F5, F2
   CLOCK    :      RB, RB, RB, RB, RB, RB, CS, RB, RB, 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, D6, C5, E4, D3, E6, 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, F1
   CLOCK    :      RB, RB, RB
C. BLOCK III: NONE

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)

B. ADVISORIES:           
NANU          MSG DATE/TIME       PRN  TYPE         SUMMARY (JDAY/ZULU TIME START - STOP)

2019084       071555Z JUN 2019    18   UNUNOREF     158/1531-158/1532
2019085       071608Z JUN 2019    03   UNUNOREF     158/1600-158/1601
2019086       081549Z JUN 2019    03   UNUNOREF     159/1600-159/1601
2019087       111505Z JUN 2019    18   UNUNOREF     162/1523-162/1524
2019088       131456Z JUN 2019    18   UNUNOREF     164/1508-164/1509
2019089       151439Z JUN 2019    18   UNUNOREF     166/1433-166/1434
C. GENERAL:           
NANU          MSG DATE/TIME       PRN  TYPE         SUMMARY (JDAY/ZULU TIME START - STOP)

2014038       241350Z APR 2014         GENERAL      /-/
2014039       271351Z APR 2014         GENERAL      /-/
2018010       052217Z MAR 2018         GENERAL      /-/
2019001       022242Z JAN 2019         GENERAL      /-/
2019040       220026Z MAR 2019         GENERAL      /-/

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 
HTTPS://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