Difference between Longitudes
difflon(LON1, LON2)
LON1
: Longitude in degreesLON2
: Longitude in degreestakes into account crossing the zero longitude
deg: degrees difference
sn: direction of rotation
Jonathan M. Lees<jonathan.lees.edu>
difflon( 34 , 67) ### here we cross the zero line difflon( 344 , 67)
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