Solar elevation angle (for a day) Calculator - High accuracy calculation
algorithm - Calculating azimuth from two points, both having latitude/longtiude? - Geographic Information Systems Stack Exchange
Using Google Earth to Determine the direction of a surface (azimuth angle of a wall or facade) - YouTube
SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic system, Photovoltaic
WGS-84 Calculator
Haversine formula - Calculate geographic distance on earth
qgis - Calculate azimuth between points - Geographic Information Systems Stack Exchange
Using an Azimuth Map to Determine Antenna Direction — Foxtrot Lima