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GPS INTERNATIONAL CONSULTATIONS

GPS INTERNATIONAL CONSULTATIONS. Julie Karner State Department, OES/O/SAT September 1999. Japan. Working groups met in Washington in September - forged new paths for cooperation International Policy and Public Safety (State/MOFA) Transportation Applications (DOT/MOT)

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GPS INTERNATIONAL CONSULTATIONS

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  1. GPSINTERNATIONAL CONSULTATIONS Julie Karner State Department, OES/O/SAT September 1999

  2. Japan • Working groups met in Washington in September - forged new paths for cooperation • International Policy and Public Safety (State/MOFA) • Transportation Applications (DOT/MOT) • Commercial and Scientific Use and Development (DOC/STA, MITI, MOPT) • Plenary session in Japan next spring

  3. Europe • November 10 - Preliminary discussions • U.S. stressed need for principles for cooperation • Once established will set up detailed working groups • EU wants early answer on frequency issues • Next meeting in late January

  4. U.S. Principles from Joint Summary Report - Nov 98 • Common GPS time, geodesy, and signal structure • Seamless, global interoperability with GPS • Protecting current radionavigation spectrum • No direct user fees • Open signal structure • Open market-driven competition for user equipment and applications • Recognizing the national and international security issues

  5. Potential Issues • Interoperability? • Technical: timing, geodesy, signal structure • Operational: free, open signal interoperability with a “for fee”, encrypted signal • Open standards & market driven competition? • Frequencies and signal structure? • EU request for overlay of L1/L2 • U.S. cooperation calibrated to consistency with principles stated in Joint Summary Report

  6. International GPS Discussions are Part of a Larger Picture • ITU decisions on frequency allocation for the operation of GPS and other GNSS systems • Conference Preparatory Meeting • ICAO and IMO provide a framework for determining use in air and sea transport • NASA - Space agency discussions expanding use of GPS for space systems

  7. GPS Civil ServiceFuture Trends • By 2006 - SA turned to zero • Position accuracy = 6 to 11 meters • 2 cm with ground based augmentation (RTK) within 10 km • 2009 - CA code on L1 and L2 • Position accuracy = 3 to 5 meters • 2011 - C/A code on L1, L2, and L5 • Position accuracy = 1 to 3 meters • 2 cm with ground based augmentation (RTK) within 100 km

  8. Challenges • Lack of knowledge & misunderstandings • Don’t know GPS is free • Don’t realize its available now • Don’t know how GPS is or can beused in their country • Don’t realize they have a stake in GPS future • Need international help to raise awareness and to assure spectrum is available and protected to support future user needs

  9. Summary • The U.S. is consulting with other countries to further mutual interests for the peaceful use of GPS and its augmentations • Identify evolving user needs • Ensure spectrum is protected so GPS will continue to support both civil and military users • Promote open competitive market for applications and services • Our goal is to make sure the GPS signal is received by peaceful users all the time across the globe

  10. Back Up

  11. International Goals • Establish GPS as a worldwide positioning, navigation, and timing standard • Promote and facilitate civilian uses of GPS, bearing in mind national security interests • Prevent misuse of GPS and its augmentation systems without unduly disrupting or degrading civilian uses

  12. International Goals • Protect the GPS signal for safety-of-life services and all peaceful applications • Facilitate interoperability with international augmentation systems • Promote growth in trade and investment in GPS equipment and services to enhance the information infrastructure

  13. Galileo Concept • Use of a private-public partnership • Establishing revenue streams using regulatory means • A mass market free signal - two encrypted “for fee” signals • Frequency choice undetermined

  14. Modernization and Spectrum • New Civil GPS Frequencies • New civil frequencies - 1227 MHz & 1176 MHz • Three civil signals - increased accuracy and reliability • Higher power safety of life signal at 1176 MHz in protected aeronautical radionavigation band • Space-to-space service (satellite control & positioning) • Good News/Bad News - GPS satellites are more reliable and living longer

  15. International OutreachEducation and Advocacy • On-going effort by multiple organizations • State, DOT, FAA, USCG, NASA, DOD, DOC, and Industry • Many methods • Consultations, conferences, seminars and exhibits, web sites

  16. Outreach Tools • USCG site • http://www.navcen.uscg.mil/cgsic/applications/ • NASA GPS web site • http://gpshome.ssc.nasa.gov

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