Flipping Lat/Long Directions – The Map

I’m continuously impressed with the skills of the people who read the Twelve Mile Circle, their ability to expand upon a theme I’ve presented, and their willingness to share the results of their efforts with other readers. Today I’m pleased to post a map produced by "Colin" that uses my Flipping Lat/Long Directions article as its starting point.

I started with selected long/lat coordinate and flipped the signs between positive and negative to see whether the four possibilities resulted in wet or dry landings. I mentioned that I had a hard time finding a base coordinate that resulted in four dry landings. This is the only one I found:

Colin expanded on this by at least a couple of orders of magnitude by producing a map where all four possibilities generated a land-based point. With Colin’s permission, here are the results:


Intersection of New York and Florida Avenues, Washington, DC

It’s a beautiful map and unfortunately I’ve had to scrunch it down both to fit into the window and to prevent bandwidth drain, which is a shame because I could spend hours gazing at it. So if you would like to see it in all its glory, please send me an email message and I’ll reply with the much larger 2.5 MB file.

This map also shows clearly how lucky I was to find my example of a quadruple landfall. It’s practically the only instance that isn’t near the poles.

Thanks again, Colin!


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