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                        Duplicate or similar code
A lot, if not all, of the code in GeoLocationUtils is duplicated in GeoLocation. One or the other can be removed.
Also, a lot of the geodesic code looks like it's not used at all.
NOAACalculator.getSolarElevation() and NOAACalculator.getSolarAzimuth() are duplicates, besides for the last line.
NOAACalculator.getSunriseUTC() and NOAACalculator.getSunsetUTC() are also almost identical.