There are a lot of navigation calculations at: http://williams.best.vwh.net/avform.htm
It includes the distance and course between points. --------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial
There are a lot of navigation calculations at: http://williams.best.vwh.net/avform.htm
It includes the distance and course between points. --------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial