Archive for the ‘Polar Coordinates’ Category
Find Unknown Point From One Known Location!
Tuesday, May 18, 2010
Polar Coordinates: This method of finding an unknown location on the map requires an azimuth and distance from your position to the unknown location. It will be as accurate as you are in determining distance to the unknown location:
- Identify and mark your position on the appropriate topographical map;
- Using a compass, determine the magnetic azimuth from your position to the unknown location;
- Convert the magnetic azimuth to a grid azimuth and with a protractor, plot that azimuth on a straight line starting at your present position;
- Estimate/determine the distance to the unknown location from your present position;
- Using the applicable map distance scale, plot the estimated/laser determined distance on the azimuth’s straight line and mark it. This mark represents the previously unknown location.
This mode of determining an unknown location on the map will depend on your ability to use the map, compass, protractor, and follow the steps listed above.
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