M muleman1953 Well-Known Member Joined Oct 17, 2010 Messages 215 Location Nebraska Sep 13, 2015 #1 Does the G7 calculate for spin drift & coriolus?
geo4061 Well-Known Member Joined Jun 25, 2014 Messages 2,063 Location Southern Oklahoma Sep 13, 2015 #2 No. That is it's only weakness.