GPS OPERATIONAL ADVISORY �������138
SUBJ: GPS STATUS �����17 MAY 2012

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, 12, 13, 14
��PLANE ��: SLOT D2, D1, C2, D4, E3, C6, A4, A3, A1, E6, D5, B4, F3, F1
��CLOCK ��: �����RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB
��BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29
��PLANE ��: SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, B2, F5, A6, B3, C1
��CLOCK ��: �����RB, RB, RB, RB, RB, RB, RB, RB, RB, RB, RB, CS, RB, RB
��BLOCK II: PRNS 30, 31, 32
��PLANE ��: SLOT B5, A2, E5
��CLOCK ��: �����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)

2012030 ������021917Z MAY 2012 ���26 ��FCSTMX ������128/1400-129/0200
2012031 ������071606Z MAY 2012 ���26 ��FCSTSUMM ����128/1418-128/1556
2012032 ������112215Z MAY 2012 ���30 ��FCSTMX ������139/2100-145/2100
B. ADVISORIES: ����������
NANU ���������MSG DATE/TIME ������PRN �TYPE ��������SUMMARY (JDAY/ZULU TIME START - STOP)

C. GENERAL: ����������
NANU ���������MSG DATE/TIME ������PRN �TYPE ��������SUMMARY (JDAY/ZULU TIME START - STOP)

2012024 ������192336Z APR 2012 ��������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 719-567-2541 24 HOURS DAILY AND INTERNET
HTTP://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