CGSIC 43rd Meeting

1
GPS Outage Reporting

• CGSIC 43rd Meeting
• Arlington, Virginia
• 10 March 2004

2
Background
The Triad
All other users
Aviation Users
Military Users
3
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
• Response to user

4
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

5
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

6

• Navigation Information Service
• http//www.navcen.uscg.gov
• http//www.navcenter.org/ (mirror site)
• E-mail nisws_at_navcen.uscg.mil
• Phone [phone]
• Fax [phone]