Estimating NVIS comms ranges

Screen Shot 2015-09-28 at 08.17.45

The good people at AmRRON posted an article about Radius Mapping. Using the GitHub tool linked in that article, you can place circles of any radius on a map.

The picture above is a 50 mile radius and 300 mile radius from St. Paul, MN. This is good base information for a radio ‘DOPE book’; field validation is the next step.

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