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UNCLASSIFIED. THE 2nd SPACE OPERATIONS SQUADRON Capt Heather Eastlack. NANUS. UNCLASSIFIED. UNCLASSIFIED. Introduction. 2 SOPS NANU overview History Description Format Samples FCSTMX changes. UNCLASSIFIED. UNCLASSIFIED. NANU Description.
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UNCLASSIFIED THE 2nd SPACE OPERATIONS SQUADRONCapt Heather Eastlack NANUS UNCLASSIFIED
UNCLASSIFIED Introduction • 2 SOPS NANU overview • History • Description • Format Samples • FCSTMX changes UNCLASSIFIED
UNCLASSIFIED NANU Description • 2 SOPS generates a Notice Advisory to NAVSTAR Users (NANU) message to inform military and civil users of events affecting GPS constellation navigation payload status UNCLASSIFIED
UNCLASSIFIED NANU History • Civil community through on site support personnel convince GPS operational support personnel that outage notices need to be published in 1984 • GPS operational support personnel collaborate and code NANU outage distribution software in 1986 • United States Coast Guard (USCG) receives NANUs and upgrades USCG radio broadcasts to include NANUs in 1988 UNCLASSIFIED
UNCLASSIFIED NANU History • Requirement established to report GPS degradation below a certain level in 1989. • Worldwide navigation users (civilian and military) increased to infinite numbers as utility is established 1988-Present UNCLASSIFIED
UNCLASSIFIED NANU History • MOA established between Department of Transportation (DOT) and Department of Defense (DOD) in Jan 1993 • Annex 1 DOT Representation at the GPS JPO and AFSPACECOM added in Jun 1993 • Annex 2 Second Coded Civil GPS Signal added in Jul 1997 • Annex 3 Information Coordination and Dissemination added in Jul 1999 • Annex 4 Implementing Unique Civil Requirements added in Aug 2000 UNCLASSIFIED
UNCLASSIFIED NANU History • The legacy GPS User Support System (GUSS) was PC-based and developed as an offline tool to automate NANU generation in 1995 • Notified worldwide users of satellite outages, return to service, and general GPS information • MOA established between United States Air Force Space Command (AFSPACECOM) and USCG in Feb 1996 UNCLASSIFIED
UNCLASSIFIED NANU History • Intranet-based GUSS was developed to provide enhanced automation and be compliant with LAN policies regarding software/hardware requirements • VV&A in 2001 • Related MCB occurred in Jan 2002 • Awaiting 1067 validation for AEP version of GUSS • Related MCB occurred in Jan 2002 UNCLASSIFIED
UNCLASSIFIED NANU Types • Scheduled outages • Unscheduled outages • General • Classified • Others UNCLASSIFIED
UNCLASSIFIED NANU Types • Scheduled outages • FCSTDV • FCSTMX • FCSTCANC • FCSTRESCD • FCSTEXTD • FCSTSUMM UNCLASSIFIED
UNCLASSIFIED NANU Samples Forecast Delta V NOTICE ADVISORY TO NAVSTAR USERS (NANU) YYYYNNN SUBJ: SVNxx (PRNXX) FORECAST OUTAGE JDAY JJJ/HHMM - JDAY JJJ/HHMM 1. NANU TYPE: FCSTDV NANU NUMBER: YYYYNNN NANU DTG: DDHHMMZ MMM YYYY REFERENCE NANU: N/A REF NANU DTG: N/A SVN: XX PRN: XX START JDAY: JJJ START TIME ZULU: HHMM START CALENDAR DATE: DD MMM YYYY STOP JDAY: JJJ STOP TIME ZULU: HHMM STOP CALENDAR DATE: DD MMM YYYY 2. CONDITION: GPS SATELLITE SVNXX (PRNXX) WILL BE UNUSABLE ON JDAY JJJ (DD MMM YYYY) BEGINNING HHMM ZULU UNTIL JDAY JJJ (DD MMM YYYY) ENDING HHMM ZULU. 3. POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.GOV MILITARY - GPS Support Center, DSN 560-2541, COMM 719-567-2541, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS UNCLASSIFIED
UNCLASSIFIED NANU Samples Forecast Delta V NOTICE ADVISORY TO NAVSTAR USERS (NANU) YYYYNNN SUBJ: SVNxx (PRNXX) FORECAST OUTAGE JDAY JJJ/HHMM - JDAY JJJ/HHMM 1. NANU TYPE: FCSTDV NANU NUMBER: YYYYNNN NANU DTG: DDHHMMZ MMM YYYY REFERENCE NANU: N/A REF NANU DTG: N/A SVN: XX PRN: XX START JDAY: JJJ START TIME ZULU: HHMM START CALENDAR DATE: DD MMM YYYY STOP JDAY: JJJ STOP TIME ZULU: HHMM STOP CALENDAR DATE: DD MMM YYYY 2. CONDITION: GPS SATELLITE SVNXX (PRNXX) WILL BE UNUSABLE ON JDAY JJJ (DD MMM YYYY) BEGINNING HHMM ZULU UNTIL JDAY JJJ (DD MMM YYYY) ENDING HHMM ZULU. 3. POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.GOV MILITARY - GPS Support Center, DSN 560-2541, COMM 719-567-2541, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS NANU Description UNCLASSIFIED
UNCLASSIFIED NANU Samples Forecast Delta V NOTICE ADVISORY TO NAVSTAR USERS (NANU) YYYYNNN SUBJ: SVNxx (PRNXX) FORECAST OUTAGE JDAY JJJ/HHMM - JDAY JJJ/HHMM 1. NANU TYPE: FCSTDV NANU NUMBER: YYYYNNN NANU DTG: DDHHMMZ MMM YYYY REFERENCE NANU: N/A REF NANU DTG: N/A SVN: XX PRN: XX START JDAY: JJJ START TIME ZULU: HHMM START CALENDAR DATE: DD MMM YYYY STOP JDAY: JJJ STOP TIME ZULU: HHMM STOP CALENDAR DATE: DD MMM YYYY 2. CONDITION: GPS SATELLITE SVNXX (PRNXX) WILL BE UNUSABLE ON JDAY JJJ (DD MMM YYYY) BEGINNING HHMM ZULU UNTIL JDAY JJJ (DD MMM YYYY) ENDING HHMM ZULU. 3. POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.GOV MILITARY - GPS Support Center, DSN 560-2541, COMM 719-567-2541, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS Reference Information UNCLASSIFIED
UNCLASSIFIED NANU Samples Forecast Delta V NOTICE ADVISORY TO NAVSTAR USERS (NANU) YYYYNNN SUBJ: SVNxx (PRNXX) FORECAST OUTAGE JDAY JJJ/HHMM - JDAY JJJ/HHMM 1. NANU TYPE: FCSTDV NANU NUMBER: YYYYNNN NANU DTG: DDHHMMZ MMM YYYY REFERENCE NANU: N/A REF NANU DTG: N/A SVN: XX PRN: XX START JDAY: JJJ START TIME ZULU: HHMM START CALENDAR DATE: DD MMM YYYY STOP JDAY: JJJ STOP TIME ZULU: HHMM STOP CALENDAR DATE: DD MMM YYYY 2. CONDITION: GPS SATELLITE SVNXX (PRNXX) WILL BE UNUSABLE ON JDAY JJJ (DD MMM YYYY) BEGINNING HHMM ZULU UNTIL JDAY JJJ (DD MMM YYYY) ENDING HHMM ZULU. 3. POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.GOV MILITARY - GPS Support Center, DSN 560-2541, COMM 719-567-2541, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS Satellite Identification UNCLASSIFIED
UNCLASSIFIED NANU Samples Forecast Delta V NOTICE ADVISORY TO NAVSTAR USERS (NANU) YYYYNNN SUBJ: SVNxx (PRNXX) FORECAST OUTAGE JDAY JJJ/HHMM - JDAY JJJ/HHMM 1. NANU TYPE: FCSTDV NANU NUMBER: YYYYNNN NANU DTG: DDHHMMZ MMM YYYY REFERENCE NANU: N/A REF NANU DTG: N/A SVN: XX PRN: XX START JDAY: JJJ START TIME ZULU: HHMM START CALENDAR DATE: DD MMM YYYY STOP JDAY: JJJ STOP TIME ZULU: HHMM STOP CALENDAR DATE: DD MMM YYYY 2. CONDITION: GPS SATELLITE SVNXX (PRNXX) WILL BE UNUSABLE ON JDAY JJJ (DD MMM YYYY) BEGINNING HHMM ZULU UNTIL JDAY JJJ (DD MMM YYYY) ENDING HHMM ZULU. 3. POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.GOV MILITARY - GPS Support Center, DSN 560-2541, COMM 719-567-2541, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS Outage Times UNCLASSIFIED
UNCLASSIFIED NANU Types • Unscheduled outages • UNUSUFN • UNUSABLE • UNUNOREF UNCLASSIFIED
UNCLASSIFIED NANU Samples General 2004021------------------------ 1. NANU TYPE: GENERAL *** GENERAL MESSAGE TO ALL GPS USERS *** GPS Satellite SVN23 (PRN23) was decommissioned from active service on JDAY044 (13 Feb 04) as of 2200z. PRN23 is available for future satellite vehicles. *** GENERAL MESSAGE TO ALL GPS USERS *** UNCLASSIFIED
UNCLASSIFIED NANU Samples Classified Agencies with the proper clearance will receive this NANU. CLASNANUs will never have a NANU number. An example of the content of a CLASNANU is a Selective Availability or Anti-Spoof change. UNCLASSIFIED
UNCLASSIFIED NANU Types • Others • USABINIT • LEAPSEC UNCLASSIFIED
UNCLASSIFIED NANU Recent Issues • SVN23 & SVN36 FCSTMX outages • Required UFN end times • Capability does not exist • User community not informed if • change was made at that time UNCLASSIFIED
UNCLASSIFIED NANU Upgraded Capabilities • FCSTMX NANU end time • UFN enabled • User community informed NLT • 1 month prior to implementation • GENTEXT NANU UNCLASSIFIED
UNCLASSIFIED Summary • 2 SOPS NANU • History • Description • Format Samples • FCSTMX changes UNCLASSIFIED
UNCLASSIFIED The 2nd Space Operations Squadron UNCLASSIFIED