SAR Fundamentals/GPS practical

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SAR Fundamentals Manual: Ch.13 "Navigation"
Basic SAR Skills Manual: Ch.7 "Navigation"
1.25 hr : 20:15-19:00

more material. See ~/sar/pc/training/subject/sar-fundamentals/components/subject/19-navigation-GPS

Exercise

  • Review how to set up GPS
    • Map Datum: NAD27 vs WGS84
    • Grid system: UTM (Canada)
  • Review how to read UTM (Zone, Easting, Northing)
  • Review how to determine accuracy (e.g. 11m)
    • waiting makes more accurate
  • Determine UTM outside of building
    • compare accuracy
  • Have each group of 2-3 students choose 5 random UTMs from A through L of the attached Exercise Sheet
  • Review how to compare Eastings and Northings to compare relative distance and direction
  • Walk to the UTM and and fill in the description of the location from 1-12 (answers on 2nd page)
  • Compare accuracy of exercise sheet with current accuracy. How do the 2 errors combine.

GPS Exercise Sheet (odt) (pdf)