Lat/long distance & bearing between two points
see:https://www.doczj.com/doc/5e2304143.html,/scripts/latlong.html
Earth's rad:6371Names used: lat1=$Fn, lon1=$Gn, lat2=$Hn, lon2=$In, ER=$B$5, where 'n'=row n Lat 1 (deg)Lon 1 (deg)Lat 2 (deg)Lon 2 (deg)Lat 1 (rad)Lon 1 (rad)Lat 2 (rad)
48.85 2.3551.50-0.120.85260.04100.8988
n, ER=$B$5, where 'n'=row number
Lon 2 (rad)Dist (rad)Dist (km)Brng (rad)Brng (deg)Brng (norm'd) -0.00210.05386343.1-0.5217-29.89330.11