T HE USE OF T ECHNOLOGY IN R ACE M ANAGEMENT Peter van Muyden.

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Presentation transcript:

T HE USE OF T ECHNOLOGY IN R ACE M ANAGEMENT Peter van Muyden

F RO M TOTO

A GENDA 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

G LOBAL P OSITIONING S YSTEM (GPS) Established in 1973 to overcome the limitations of previous navigation systems The first GPS satellite was launched in A full constellation of 24 satellites was achieved in 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

GPS SETTINGS Nautical Miles Wide Area Augmentation System (WAAS) on Time Format 24 hour Current Date Current Time Location formatddd  mm.mmm’ Map DatumWGS 84 North ReferenceMagnetic

GPS ACCURACY /- 100 Metres Original GPS signal /- 10 Metres Selective availability removed /- 3 Metres Wide Area Augmentation System (WAAS) enabled Survey grade GPS systems +/- 2MM

W HEN TO USE A GPS AND WHEN TO USE A COMPASS Erro r Accurac y 50%1.4 Mean1.5 RMS1.8 95%3.2 Max.8.0 Distance from targetCompass bearing reading error in Metres MetresNMiles

GPS BASED MARK LAYING (C ALCULATING VS P INGING ) 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

GPS BASED MARK LAYING (C ALCULATING VS P INGING ) 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.

GPS BASED MARK LAYING (C ALCULATING VS P INGING ) Course Axis Trapezoid Course 60, 120 interior angles Course Axis SignalPin -3 -Finish SignalPin - 3 -Finish PinSignalFinish PinSignal Finish

Leg LengthsCourse Distances & & & 2 - 1I2I3I & & 3 - 4O2O3O GPS BASED MARK LAYING (C ALCULATING VS P INGING )

C OMPUTER BASED COURSE CONFIGURATION GPSLoad Biscayne Bay

A DVANCED GPS’ S WITH BUILT - IN RADIOS Broadcast location Transmit Waypoints Poll location 4Mile range

T ARGET TIME Reasons for Target Time Schedule Class rules TV broadcast time slot Time limits etc

R EAL -T IME W EATHER S TATION GPS Ultrasonic technology 3 Axis Compass Barometer Temperature Wind direction (true, apparent) Wind speed Uses NMEA 2000 network

I T DOESN ’ T MATTER WHAT TOOLS YOU PLAN USE, JUST DON ’ T LEAVE HOME WITHOUT THE FOLLOWING :