The Philippine archipelago is located between 116° 40', and 126° 34' E. longitude and 4° 40' and 21° 10' N. latitude and borders the Philippine Sea on the east, the South China Sea on the west,...
Use a compass to take 3 bearings to known objects on the map and plot the reverse bearings from these on the map. Where the lines cross is your exact (to the scale of the map) location. Use a GPS and...