Trapezoid - DD Lat Long - Map





  • This GPS tool works on most phones; Allow 6 seconds to hone in.
  • Enter Lat Long for Reference Location Mark 4 or click RefLoc to set it at Your Location at your location at Mark 4. Enter the Windward direction, reach angle, leg length => Then Click GO.
  • A Map with the Mark locations is displayed. To set a Mark, head towards it using the bearings shown below the map. Click ShowMyLoc to show your current position as a 'dot' on the map. Click it again, to show your new position, etc. Drop it when you get there.
  • Click GO to clear dots <> RefLoc + GO to reset Reference <> Change Wind Direction + GO for wind shifts.

          

Bearings for Marks - Mark 4 is Reference

1 to 2 => 2 to 1 => 2 to 4 => 4 to 2 => 1 to 3 => 3 to 1 => 3 to 4 => 4 to 3 => 4 to 1
3 to 2 =>
1 to 4
2 to 3 =>
Start with bias Start no bias

Lat Longs for Marks

Mark 1 lat => Mark 1 long => Mark 2 lat => Mark 2 long => Mark 3 lat => Mark 3 long => Mark 4 lat => Mark 4 long =>