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CGSIC ISC Asia-Pacific Meeting Melbourne, Australia 10-11 February 2003

GPS Information Sources. CGSIC ISC Asia-Pacific Meeting Melbourne, Australia 10-11 February 2003. Overview. GPS System Information, Notification, and Reporting Coast Guard Navigation Center Federal Aviation Administration Civil GPS Service Interface Committee. Background.

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CGSIC ISC Asia-Pacific Meeting Melbourne, Australia 10-11 February 2003

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  1. GPS Information Sources CGSIC ISC Asia-Pacific Meeting Melbourne, Australia 10-11 February 2003

  2. Overview GPS System Information, Notification, and Reporting • Coast Guard Navigation Center • Federal Aviation Administration Civil GPS Service Interface Committee

  3. Background Detailed MOA’s between each organization Established in DOT/DoD MOA, Annex 3 USCG NIS FAA NOCC USSPC GSC Joint GPS User Support Service The Core

  4. NIS Information • GPS System design information • SPS Performance Standard • Interface Control Document (ICD-200) • Operational Information • NANUs / GPS Status • Static • Listserver distribution • NIS Mirror Site (http://www.nis-mirror.com/) • Modernization • Latest updates, L5 & L2 signal specification

  5. NIS Information • Radionavigation Policy • Federal Radionavigation Plan • Presidential Decision Directives • US Nationwide Differential GPS System • Specifications • High Accuracy DGPS • U.S. Loran-C

  6. GPS General Information • GPS Status Reports • GPS Service Interruptions • GPS Almanac Information • Precise Ephemeris Info • Subscribe to Listserver Messages • Selective Availability • GPS Modernization • Report a GPS Problem • Frequently Asked Questions • Augmentation Systems • Reference Information

  7. GPS Page Choices • GPS General Information • GPS Status Reports • GPS Service Interruptions • GPS Almanac Information • Precise Ephemeris Info • Subscribe to Listserver Messages • Selective Availability • GPS Modernization • Report a GPS Problem • Frequently Asked Questions • Augmentation Systems • Reference Information

  8. General Information • Subscribe to the GPS Status Message and/or the NANU List server • Latest PDOP Chart (displays overall Dilution of Precision Values) Status • Latest GPS Status Message • GPS Status Message Archives NANUs • Active NANUs • NANU Abbreviations and Descriptions • NANU Archives (1990-2001) • Search the current year by NANU Number • Search a previous year by NANU Number

  9. NANU Abbreviations Forecast Outages • FCSTDV FCSTMX • FCSTEXTD FCSTSUMM • FCSTCANC FCSTRESCD Unscheduled Outages • UNUSUFN UNUSABLE • UNUNOREF Other • USABINIT LEAPSEC • GENERAL

  10. Outage Reporting • Disruption to GPS service should be reported to: • USCG NAVCEN • http://www.navcen.uscg.gov • On-line form • An attempt will be made to identify the problem • Report to user

  11. GPS Page Choices • GPS General Information • GPS Status Reports • GPS Service Interruptions • GPS Almanac Information • Precise Ephemeris Info • Subscribe to Listserver Messages • Selective Availability • GPS Modernization • Report a GPS Problem • Frequently Asked Questions • Augmentation Systems • Reference Information

  12. Outage Reporting 1. What indicated there was a problem? 2. How many Satellites were being tracked? 3. What SVs were being track? 4. Elevation of the receiver antenna? 5. Duration and number (approximate) of known occurrences? 6. Did any operator (you) action help? 7. Location of problem? * 8. Closest geographic region* 9. Type of equipment? (receiver model, antenna type, etc...) 10. Type of installation? (boat, car, handheld, plane) 11. Other probable causes? * 12. What was the receiver being used for at time of occurrence? 13. Contact Information

  13. Aviation Information GPS Implementation/ WAAS/ LAAS • http://gps.faa.gov/ GPS NOTAMS • FAA NOCC • International NOTAMs

  14. Useful Links • USCG Navigation Center • http://www.navcen.uscg.gov • Interagency GPS Executive Board Executive Secretariat • http://www.igeb.gov • FAA- WAAS, LAAS • http://www.gps.faa.gov

  15. Navigation Information Service • http://www.navcen.uscg.gov • http://www.nis-mirror.com (mirror site) • E-mail: nisws@navcen.uscg.mil • Phone: +1 703 313 5900 • Fax: +1 703 313 5920 Civil GPS Service Interface Committee • E-mail: rcasswell@navcen.uscg.mil

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