Geocaching

Geocaching is to divide into 2 different groups to find treasure with GPS in Pigeon Mountain We walked to Pigeon Mountain on Monday Our team was 5 people, Donghae people was 3 people and Inje people was 2 Inside of GPS there is cimpass system and meter system so we used these system to find the treasure. I don't know how to use GPS but I want to know how to used GPS