survey : clinometer, compass and range finder

Used mainly for surveying and have been adapted for specialized purposes in fields like meteorology and rocket launch technology.
That combines viewfinder, clinometer, compass, GPS and map.
Triangulation consists of making such direction plots of the surrounding landscape from two separate standpoints. The two graphing papers are superimposed, providing a scale model of the landscape, or rather the targets in it. The true scale can be obtained by measuring one distance both in the real terrain and in the graphical representation.
Main Features:
* Simple to use
* Quickly mark your location, two-axis inclinometer and compass
* Full map integration
* Multiple views (map, satellite, hybrid)
* Distance from camp tracked
* Compass to find your way back to your camp