Choose your preferred version
A modern, offline-capable Progressive Web App for calculating range to a target using two compass bearings. Supports Simple Mode and Full Triangulation using the Law of Sines.
Powerful version with GPS integration and interactive map. Automatically capture locations, calculate baseline distance/bearing, and visualize results on a Leaflet map.
Both versions are offline-capable PWAs • Made for field use, surveying & outdoor activities
Also available as native VB.NET, C++, Go, macOS, and Android apps — view the full project on GitHub.