NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2010068 NANU TYPE: GENERAL * GENERAL MESSAGE TO ALL GPS USERS The 50th Space Wing in cooperation with the Global Positioning Systems Wing, will be testing SVN49 (PRN01) signal characterization over the next 6 months SVN49 (PRN01) will remain unhealthy until further notice, and the broadcast navigation message will remain IS-GPS-200 compliant Users choosing to track an unhealthy SVN49 (PRN01) should contact GPSOC (military) or NAVCEN (civil) immediately for any issues that may be attributed to these activities GENERAL MESSAGE TO ALL GPS USERS *

POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://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, HTTPS://gps afspc af mil MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3514, COMM 805-606-3514, JSPOCCOMBATOPS@VANDENBERG AF MIL

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