ostroha Envision internet calculating great circle final track convergency ženích armáda zvýšenie
The Airline Pilots Forum and Resource
General Navigation; Convergency calculators: | How to caculate convergecny and how to measure the track between two points. Alwys remember you need to imagine where you are and where you are going
Why does Great Circle track increase or decrease going East or west? Convergency explained simply. - YouTube
HW2 - MAP PROJ CY & CA | PDF | Longitude | Latitude