Users of the Global Positioning System (GPS) in the vicinity of southern Chile, southern Argentina, and the Falkland Islands may experience short periods of high HDOP/PDOP (HDOP >6) at various times between 262300Z and 271100Z MAY 2016 due to satellite maintenance (refer to NANU 2016032 below).
Predictions are based on a "Best Four" analysis to illustrate the worst case scenario and are provided for situational awareness only.
Please report any outages through the NAVCEN "Report a GPS Problem" page. http://www.navcen.uscg.gov/?pageName=gpsUserInput
Open page to view event details: http://www.navcen.uscg.gov/?pageName=HDOP_Event_May2016
=======================================================================
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2016032
SUBJ: SVN61 (PRN02) FORECAST OUTAGE JDAY 147/2300 – JDAY 148/1100
1. NANU TYPE: FCSTDV
NANU NUMBER: 2016032
NANU DTG: 201813Z MAY 2016
REFERENCE NANU: N/A
REF NANU DTG: N/A
SVN: 61
PRN: 02
START JDAY: 147
START TIME ZULU: 2300
START CALENDAR DATE: 26 MAY 2016
STOP JDAY: 148
STOP TIME ZULU: 1100
STOP CALENDAR DATE: 27 MAY 2016
2. CONDITION: GPS SATELLITE SVN61 (PRN02) WILL BE UNUSABLE ON JDAY 147
(26 MAY 2016) BEGINNING 2300 ZULU UNTIL JDAY 148 (27 MAY 2016)
ENDING 1100 ZULU.
3. POC: CIVILIAN – NAVCEN AT 703-313-5900, HTTP://WWW.NAVCEN.USCG.GOV
MILITARY – GPS OPERATIONS CENTER at HTTPS://GPS.AFSPC.AF.MIL/GPSOC, DSN 560-2541,
COMM 719-567-2541, gpsoperationscenter@us.af.mil, HTTPS://GPS.AFSPC.AF.MIL
MILITARY ALTERNATE – JOINT SPACE OPERATIONS CENTER, DSN 276-3514,
COMM 805-606-3514, JSPOCCOMBATOPS@VANDENBERG.AF.MIL