This program allows you to use your GPS to find your location and measures the total distance between both points and GPS Time Zone. The program uses the "The Vincenty inverse formula for ellipsoids." (accuracy to within 0.5mm, or 0.000015"). The GPS Time Zone C++ source is from 'GSPSlookup.cpp - Library for looking up time zones from latitude and longitude. Created by Ryan Hamilton, June 18 2014.'

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To run these Pocket Visual Basic programs you need the free Microsoft Distribution Source Files located at




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(c)1998-2018 Vincent Collura ( Inventor / Engineer )