GPS OPERATIONAL ADVISORY �������274
SUBJ: GPS STATUS �����01 OCT 2010

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 B11, D1, C2, D4, E3, C5, A4, A3, A1, E6, D2, 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, 24, 25, 26, 27, 28
��PLANE ��: SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D21, B2, F21, A6,
B3
��CLOCK ��: �����RB, RB, RB, RB, RB, RB, RB, RB, RB, CS, RB, RB, CS, RB
��BLOCK II: PRNS 29, 30, 31, 32
��PLANE ��: SLOT C1, B21, A2, E5
��CLOCK ��: �����RB, CS, 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)

2010121 ������171558Z SEP 2010 ���19 ��FCSTDV ������264/1245-265/0045 �
2010122 ������171606Z SEP 2010 ���20 ��FCSTDV ������266/0500-266/1700 �
2010123 ������171608Z SEP 2010 ���05 ��FCSTDV ������270/2130-271/0930 �
2010124 ������171610Z SEP 2010 ���25 ��FCSTMX ������272/1800-273/0000 �
2010125 ������171612Z SEP 2010 ���30 ��FCSTDV ������273/2130-274/2130 �
2010126 ������211932Z SEP 2010 ���19 ��FCSTSUMM ����264/1304-264/1903 �
2010127 ������231151Z SEP 2010 ���20 ��FCSTSUMM ����266/0508-266/1038 �
2010128 ������280336Z SEP 2010 ���05 ��FCSTSUMM ����270/2148-271/0309 �
2010129 ������292011Z SEP 2010 ���25 ��FCSTSUMM ����272/1846-272/2001 �
2010130 ������010503Z OCT 2010 ���30 ��FCSTSUMM ����273/2143-274/0455 �
B. ADVISORIES:
NANU ���������MSG DATE/TIME ������PRN �TYPE ��������SUMMARY (JDAY/ZULU
TIME START - STOP)

2010116 ������310041Z AUG 2010 ���25 ��UNUNOREF ����242/2130-242/2340 �
2010119 ������151750Z SEP 2010 ���30 ��UNUSUFN �����258/1737-/ �
2010120 ������151919Z SEP 2010 ���30 ��UNUSABLE ����258/1737-258/1911 �
C. GENERAL:
NANU ���������MSG DATE/TIME ������PRN �TYPE ��������SUMMARY (JDAY/ZULU
TIME START - STOP)

2009025 ������061455Z APR 2009 ��������GENERAL �����/-/ �
2010068 ������111551Z APR 2010 ��������GENERAL �����/-/ �
2010115 ������290159Z AUG 2010 ��������GENERAL �����/-/ �
2010117 ������012305Z SEP 2010 ��������GENERAL �����/-/ �
2010118 ������132254Z SEP 2010 ��������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
HTTP://WWW.NAVCEN.USCG.GOV
C. MILITARY SUPPORT WEBPAGES CAN BE FOUND AT THE FOLLOWING
HTTPS://GPS.AFSPC.AF.MIL/GPS OR HTTP://GPS.AFSPC.AF.MIL/GPSOC


David Cottle

UBB Owner & Administrator