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The use of Technology in Race Management

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The use of Technology in Race Management. Peter van Muyden. From. To. Agenda. Global Positioning System (GPS) GPS settings GPS accuracy When to use a GPS and when to use a compass GPS based mark laying Advanced GPS’s Target time calculation Real-Time Weather Station.

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The use of Technology in Race Management

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  1. The use of Technology in Race Management Peter van Muyden

  2. From To

  3. Agenda • Global Positioning System (GPS) • GPS settings • GPS accuracy • When to use a GPS and when to use a compass • GPS based mark laying • Advanced GPS’s • Target time calculation • Real-Time Weather Station

  4. Global Positioning System (GPS) • Established in 1973 to overcome the limitations of previous navigation systems • The first GPS satellite was launched in 1978. • A full constellation of 24 satellites was achieved in 1994. • May 2, 2000 "Selective Availability" was discontinued (this improved accuracy from 100M to 10M) • Position calculation is based on triangulation of satellites and signal elapsed time

  5. GPS settings • Nautical Miles • Wide Area Augmentation System (WAAS) on • Time Format 24 hour • Current Date • Current Time • Location format dddmm.mmm’ • Map Datum WGS 84 • North Reference Magnetic

  6. GPS accuracy • 1983 +/- 100 Metres Original GPS signal • 2001 +/- 10 Metres Selective availability removed • 2007 +/- 3 Metres Wide Area Augmentation System (WAAS) enabled • Survey grade GPS systems +/- 2MM

  7. When to use a GPS and when to use a compass

  8. GPS based mark laying (Calculating vs Pinging) Traditional steps (Pinging) Mark boat 4 pings the signal boat Mark boat 4 projects and lays Mark 4 Mark boat 1 pings Mark 4 * Mark boat 1 projects and lays Mark 1 Mark boat 2 pings Mark 1 * Mark boat 2 projects and lays Mark 2 Mark boat 3 pings Mark 2 * Mark boat 3 projects and lays Mark 3 Etc *This adds a +/- 16 Metre error for each Mark. Which can be 64 Metres at Mark 3

  9. GPS based mark laying (Calculating vs Pinging) Calculating Signal boat calculates Mark 4 Signal boat radios Mark 4 ( course origin) coordinates to the mark boats Mark boat 1 projects and places Mark 1 * Mark boat 2 projects and places Mark 2 * Mark boat 3 projects and places Mark 3 * Mark boat 4 projects and places Mark 4 * *Maximum error of +/- 8 Metres for the marks.

  10. GPS based mark laying (Calculating vs Pinging)

  11. GPS based mark laying (Calculating vs Pinging)

  12. GPS based mark laying (Calculating vs Pinging)

  13. Computer based course configuration GPSLoad Biscayne Bay

  14. Advanced GPS’s with built-in radios 4Mile range • Broadcast location • Transmit Waypoints • Poll location

  15. Target time • Reasons for Target Time • Schedule • Class rules • TV broadcast time slot • Time limits • etc

  16. Real-Time Weather Station GPS Ultrasonic technology 3 Axis Compass Barometer Temperature Wind direction (true, apparent) Wind speed Uses NMEA 2000 network

  17. It doesn’t matter what tools you plan use, just don’t leave home without the following:

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