NANU 203-92237 MJD 48856.04167 48858.41667 PRN 2 16 17 20 21 23 24 25 26 28 ================================================================================ ---203--- NOTICE ADVISORY TO NAVSTAR USERS (NANU) 203-92237 SUBJ: ANTI-SPOOF (AS) TESTING 1. CONDITION: ANTI-SPOOF TESTING OCCURRED BETWEEN DAY 235 (22 AUG 92) AT 0100 UTC UNTIL DAY 237 (24 AUG 92) AT 1000 UTC. AFFECTED SATELLITES INCLUDED PRN2 (SVN13), PRN16 (SVN16), PRN17 (SVN17),PRN20 (SVN20), PRN21 (SVN21), PRN23 (SVN23), PRN24 (SVN24), PRN25 (SVN25), PRN26 (SVN26), PRN28 (SVN28). FUTURE TESTS ARE ANTICIPATED. 2. USERS OF GPS ARE CAUTIONED THAT THE SYSTEM IS NOT YET FULLY OPERATIONAL. SIGNAL AVAILABILITY AND ACCURACY ARE SUBJECT TO CHANGE DUE TO AN INCOMPLETE CONSTELLATION AND OPERATIONAL TEST ACTIVITIES. 3. POC: CPT JENSEN OR 1LT SKINNER AT COMMERCIAL (719) 550-6378 OR DSN 560-6378. NANU 203-92266 MJD 48884.04167 48886.41667 PRN 2 16 17 20 21 23 24 25 26 28 ================================================================================ NOTICE ADVISORY TO NAVSTAR USERS (NANU) 230-92266 SUBJ: ANTI-SPOOF (AS) TESTING 1. CONDITION: ANTI-SPOOF TESTING OCCURRED BETWEEN DAY 263 (19 SEP 92) AT 0100 UTC UNTIL DAY 265 (21 SEP 92) AT 1000 UTC. AFFECTED SATELLITES INCLUDED PRN2 (SVN13), PRN16 (SVN16), PRN17 (SVN17), PRN20 (SVN20), PRN21 (SVN21), PRN23 (SVN23), PRN24 (SVN24), PRN25 (SVN25), PRN26 (SVN26), PRN28 (SVN28). FUTURE TESTS ARE ANTICIPATED. 2. USERS OF GPS ARE CAUTIONED THAT THE SYSTEM IS NOT YET FULLY OPERATIONAL. SIGNAL AVAILABILITY AND ACCURACY ARE SUBJECT TO CHANGE DUE TO AN INCOMPLETE CONSTELLATION AND OPERATIONAL TEST ACTIVITIES. 3. POC: 1LT SKINNER AT COMMERCIAL (719) 550-6378 OR DSN 560-6378. NANU 203-92272 MJD 48891.04167 48893.41667 PRN 2 16 17 20 21 23 24 25 26 28 ================================================================================ R 281355Z SEP 92 FM 2SOPS FALCON AFB CO//DOAI// UNCLAS NOTICE ADVISORY TO NAVSTAR USERS (NANU) 232-92272 SUBJ: ANTI-SPOOF (AS) TESTING 1. CONDITION: ANTI-SPOOF TESTING OCCURRED BETWEEN DAY 270 (26 SEP 92) AT 0100 UTC UNTIL DAY 272 (28 SEP 92) AT 1000 UTC. AFFECTED SATELLITES INCLUDED PRN2 (SVN13), PRN16 (SVN16), PRN17 (SVN17), PRN20 (SVN20), PRN21 (SVN21), PRN23 (SVN23), PRN24 (SVN24), PRN25 (SVN25), PRN26 (SVN26), PRN28 (SVN28). FUTURE TESTS ARE ANTICIPATED. 2. USERS OF GPS ARE CAUTIONED THAT THE SYSTEM IS NOT YET FULLY OPERATIONAL. SIGNAL AVAILABILITY AND ACCURACY ARE SUBJECT TO CHANGE DUE TO AN INCOMPLETE CONSTELLATION AND OPERATIONAL TEST ACTIVITIES. 3. POC: 1LT SKINNER AT COMMERCIAL (719) 550-6378 OR DSN 560-6378. RECEIVED AT USNO VIA COURIER 29 SEP 92. NANU 203-92293 MJD 48912.04167 48914.41667 PRN 2 14 15 16 17 20 21 23 25 26 28 ================================================================================ ---261--- NOTICE ADVISORY TO NAVSTAR USERS (NANU) 261-92293 SUBJ: ANTI-SPOOF (AS) TESTING 1. CONDITION: ANTI-SPOOF TESTING OCCURRED BETWEEN DAY 291 (17 OCT 92) AT 0100 UTC UNTIL DAY 293 (19 OCT 92) AT 1000 UTC. AFFECTED SATELLITES INCLUDED PRN2 (SVN13), PRN14 (SVN14), PRN15 (SVN15),PRN16 (SVN16), PRN17 (SVN17), PRN20 (SVN20), PRN21 (SVN21), PRN23 (SVN23), PRN25 (SVN25), PRN26 (SVN26), PRN28 (SVN28). FUTURE TESTS ARE ANTICIPATED. 2. USERS OF GPS ARE CAUTIONED THAT THE SYSTEM IS NOT YET FULLY OPERATIONAL. SIGNAL AVAILABILITY AND ACCURACY ARE SUBJECT TO CHANGE DUE TO AN INCOMPLETE CONSTELLATION AND OPERATIONAL TEST ACTIVITIES. 3. POC: 1LT SKINNER AT COMMERCIAL (719) 550-6378 OR DSN 560-6378. NANU 203-92343 MJD 48959.04167 48963.41667 PRN 14 15 16 17 19 20 21 23 24 25 26 28 ================================================================================ R 071910Z DEC 92 FM 2SOPS FALCON AFB CO//DOAI// UNCLAS NOTICE ADVISORY TO NAVSTAR USERS (NANU) 313-92342 SUBJ: ANTI-SPOOF (AS) TESTING 1. CONDITION: ANTI-SPOOF TESTING OCCURRED BETWEEN DAY 338 (3 DEC 92) AT 0100 UTC UNTIL DAY 342 (7 DEC 92) AT 0100 UTC. AFFECTED SATELLITES INCLUDED PRN14 (SVN14), PRN15 (SVN15), PRN16 (SVN16), PRN17 (SVN17), PRN19 (SVN19), PRN20 (SVN20), PRN21 (SVN21), PRN23 (SVN23), PRN24 (SVN24), PRN25 (SVN25), PRN26 (SVN26), PRN28 (SVN28). 2. USERS OF GPS ARE CAUTIONED THAT THE SYSTEM IS NOT YET FULLY OPERATIONAL. SIGNAL AVAILABILITY AND ACCURACY ARE SUBJECT TO CHANGE DUE TO AN INCOMPLETE CONSTELLATION AND OPERATIONAL TEST ACTIVITIES. 3. POC: CPT JENSEN OR 1LT SKINNER AT COMMERCIAL (719) 550-6378 OR DSN 560-6378. RECEIVED AT USNO VIA COURIER 8 DEC 92. NANU 047-93057 MJD 49044.50000 49044.91667 PRN 1 2 14 15 17 19 20 21 23 25 26 27 28 29 ================================================================================ R 262242Z FEB 93 FM 2SOPS FALCON AFB CO//DOAI// UNCLAS NOTICE ADVISORY TO NAVSTAR USERS (NANU) 047-93057 SUBJ: ANTI-SPOOF (AS) TESTING 1. CONDITION: ANTI-SPOOF TESTING OCCURRED BETWEEN DAY 057 (26 FEB 93) AT 1200 UTC UNTIL DAY 057 (26 FEB 93) AT 2200 UTC. AFFECTED SATELLITES INCLUDED PRN1 (SVN32), PRN2 (SVN13), PRN14 (SVN14), PRN15 (SVN15), PRN17 (SVN17), PRN19 (SVN19), PRN20 (SVN20), PRN21 (SCN21), PRN23 (SVN23), PRN25 (SVN25), PRN26 (SVN26), PRN27 (SVN27), PRN28 (SCN28), AND PRN29 (SCN29). 2. USERS OF GPS ARE CAUTIONED THAT THE SYSTEM IS NOT YET FULLY OPERATIONAL. SIGNAL AVAILABILITY AND ACCURACY ARE SUBJECT TO CHANGE DUE TO AN INCOMPLETE CONSTELLATION AND OPERATIONAL TEST ACTIVITIES. 3. POC: 1LT SKINNER AT COMMERCIAL (719) 550-6378 OR DSN 560-6378. RECEIVED AT USNO VIA COURIER 2 MAR 93 NANU 048-93060 MJD 49044.91667 49046.08333 PRN 1 2 14 15 17 19 20 21 23 25 26 27 28 29 ================================================================================ R 011415Z MAR 93 FM 2SOPS FALCON AFB CO//DOAI// UNCLAS NOTICE ADVISORY TO NAVSTAR USERS (NANU) 048-93060 SUBJ: ANTI-SPOOF (AS) TESTING 1. CONDITION: ANTI-SPOOF TESTING OCCURRED BETWEEN DAY 058 (27 FEB 93) AT 2200 UTC UNTIL DAY 059 (28 FEB 93) AT 0200 UTC. AFFECTED SATELLITES INCLUDED PRN1 (SVN32), PRN2 (SVN13), PRN14 (SVN14), PRN15 (SVN15), PRN17 (SVN17), PRN19 (SVN19), PRN20 (SVN20), PRN21 (SCN21), PRN23 (SVN23), PRN25 (SVN25), PRN26 (SVN26), PRN27 (SVN27), PRN28 (SCN28), AND PRN29 (SCN29). 2. USERS OF GPS ARE CAUTIONED THAT THE SYSTEM IS NOT YET FULLY OPERATIONAL. SIGNAL AVAILABILITY AND ACCURACY ARE SUBJECT TO CHANGE DUE TO AN INCOMPLETE CONSTELLATION AND OPERATIONAL TEST ACTIVITIES. 3. POC: 1LT SKINNER AT COMMERCIAL (719) 550-6378 OR DSN 560-6378. RECEIVED AT USNO VIA COURIER 2 MAR 93