Locate an Unknown Point on a Map using Resection Land Navigation Locate an Unknown Point on a Map using Resection

Terminal Learning Objective Action: Locate an unknown point on a map by resection Conditions: Given an unknown location, a standard 1:50,000 scale topographical map, a straightedge, a coordinate scale and protractor, a pencil and two objects or terrain features that are identifiable on the map Standards: Determine the eight-digit grid coordinate of your location within 10 meters of the actual grid

Definition Resection is the method of locating one's position on a map by determining the grid azimuth to at least two well-defined locations that can be pinpointed on the map

Resection

Resection (con’t)

Resection (con’t)

Modified Resection Your Location

Terminal Learning Objective Action: Locate an unknown point on a map by resection Conditions: Given an unknown location, a standard 1:50,000 scale topographical map, a straightedge, a coordinate scale and protractor, a pencil and two objects or terrain features that are identifiable on the map Standards: Determine the eight-digit grid coordinate of your location within 10 meters of the actual grid