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USNGtoLL returns incorrect value #34

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monkeytroy opened this issue Oct 17, 2019 · 0 comments
Open

USNGtoLL returns incorrect value #34

monkeytroy opened this issue Oct 17, 2019 · 0 comments

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@monkeytroy
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I am using USNG to build a grid and all the USNG zones seem to be one number off.

let usngConverter = new usng.Converter();
let centerCoords = usngConverter.USNGtoLL('4Q', true);

centerCoords is set to {lat: 19.828721999428463, lon: -163.77045633905962}

Which is incorrect according to other conversion sites. That seems to be the center of zone 3Q.

Put those coords into https://www.ngs.noaa.gov/NCAT/ which confirms the USNG value is 3QXB2876292996
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@monkeytroy