PRN01? Still usable?

Fired up three different GPS units today when PRN01 was in range, and all
three locked onto it and were using is for positioning. Decommissioned? I
think not!

What is everyone else seeing?

Dan Fletcher wrote:

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2008028 NANU TYPE: GENERAL
*** GENERAL MESSAGE TO ALL GPS USERS ***
SVN32 (PRN01) FORECAST OUTAGE JDAY 077/1930Z UNTIL FURTHER NOTICE.
GPS SATELLITE SVN32 (PRN01) WILL BE UNUSABLE NO EARLIER THAN JDAY 077 (17 MAR
2008) BEGINNING 1930Z UNTIL FURTHER NOTICE.
*** GENERAL MESSAGE TO ALL GPS USERS ***

POC:
CIVILIAN - NAVCEN AT 703-313-5900, HTTP://WWW.NAVCEN.USCG.GOV
MILITARY - GPS OPERATIONS CENTER at HTTP://GPS.AFSPC.AF.MIL/GPSOC, DSN
560-2541,
COMM 719-567-2541, gps_support@schriever.af.mil,
HTTP://gps.afspc.af.mil/gps
MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-9994,
COMM 805-606-9994, JSPOCCOMBATOPS@VANDENBERG.AF.MIL



UNCLASSIFIED
GPS OPERATIONAL ADVISORY 079.OA1
SUBJ: GPS STATUS 19 MAR 2008

1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM):
A. BLOCK I : NONE
B. BLOCK II: PRNS 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
PLANE : SLOT D1, C2, D4, B5, C1, A4, A3, A1, E3, D2, B4, F3, F1, F2
CLOCK : RB, CS, RB, RB, RB, RB, CS, CS, 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, E4, C3, E1, D3, E2, F4, D5, A5, F5, A6, B3, C6
CLOCK : RB, RB, RB, RB, RB, RB, RB, RB, CS, RB, RB, CS, RB, RB
BLOCK II: PRNS 30, 31, 32
PLANE : SLOT B2, A2, E5
CLOCK : 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)

2008025 010001Z MAR 2008 10 FCSTMX 065/1300-066/0100
2008026 051812Z MAR 2008 10 FCSTSUMM 065/1517-065/1812
2008027 122215Z MAR 2008 25 FCSTMX 077/2200-078/1000
2008031 180233Z MAR 2008 25 FCSTSUMM 077/2226-078/0219
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)

2008024 261809Z FEB 2008 GENERAL /-/
2008028 131929Z MAR 2008 GENERAL /-/
2008029 160248Z MAR 2008 07 LAUNCH /-/
2008030 172219Z MAR 2008 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
HTTP://GPS.AFSPC.AF.MIL/GPS OR HTTP://GPS.AFSPC.AF.MIL/GPSOC

2008) BEGINNING 1930Z UNTIL FURTHER NOTICE.

How do you get these messages, is there a rss-feed somewhere?

Hans

Hans-J. Ude wrote:
2008) BEGINNING 1930Z UNTIL FURTHER NOTICE.

wget http://gps.afspc.af.mil/gps/Current/current.oa1
wget http://gps.afspc.af.mil/gps/Current/current.nnu

MAR 2008) BEGINNING 1930Z UNTIL FURTHER NOTICE.

In addition to these files, you can sign up to receive NANUs from the
US Coast Guard. http://www.navcen.uscg.gov/gps/status_and_outage_info.htm
NANUs (Notice Advisories to NavstarUsers) describe events when a
satellite will be unhealthy. The links above are from Air Force Space
Command, who produces the NANUs. Based on these NANU reports, the Air
Force also produces a Satellite Outage File (SOF) that contains all
outages since 1998. The SOF is updated with each NANU produced. I've
taken these SOF's and built a web calendar that shows these outages.
You can get the SOFs from here as well.
http://spacedata.agi.com/SatelliteOutageCalendar/SOFCalendar.aspx
-Ted