UNCLASSIFIED
GPS OPERATIONAL ADVISORY        026.OA1
SUBJ: GPS STATUS      26 JAN 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)

2019010       172149Z JAN 2019    18   FCSTDV       024/1445-025/0245
2019015       241807Z JAN 2019    21   FCSTDV       031/0715-031/1915
2019016       242256Z JAN 2019    18   FCSTSUMM     024/1445-024/2256
B. ADVISORIES:           
NANU          MSG DATE/TIME       PRN  TYPE         SUMMARY (JDAY/ZULU TIME START - STOP)

2019012       212250Z JAN 2019    18   UNUNOREF     021/2245-021/2246
2019013       222242Z JAN 2019    18   UNUNOREF     022/2237-022/2238
2019014       232343Z JAN 2019    18   UNUNOREF     023/2341-023/2342
C. GENERAL:           
NANU          MSG DATE/TIME       PRN  TYPE         SUMMARY (JDAY/ZULU TIME START - STOP)

2014038       241350Z APR 2014         GENERAL      /-/
2014039       271351Z APR 2014         GENERAL      /-/
2017122       272144Z NOV 2017         GENERAL      /-/
2018010       052217Z MAR 2018         GENERAL      /-/
2018042       032104Z OCT 2018         GENERAL      /-/
2018051       121624Z NOV 2018         GENERAL      /-/
2019001       022242Z JAN 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