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#7
March 16th 04, 04:30 PM
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You've got to go pretty big distances before GC errors start to become
significant. For example, to go from 38N/77W to 38N/122W (roughly Washington, DC to San Francisco, CA), the rhumbline is 270 and the GC is 284. I thought a Great Circle is the shortest possible distance between two points on the earth. Should that read "rhumbline is 284 and GC is 270"? vince norris 
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