This may have been discussed several years ago in the former Yahoo groups: when should one change location in the AN, esp. if locations may be close to each other. For example, do I need to change locations if they are 50 miles (80km) apart (40.2N 75.5E versus 40.7N 75.9W)?
How about ~228 miles (367km) 41.7N 77.7W from above two sites
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