![]() ![]() #GPX VIEWER SPEED ISO#Dates and times are not local time, but instead are Coordinated Universal Time (UTC) using ISO 8601 format. Latitude and longitude are expressed in decimal degrees, and elevation in meters, both using the WGS 84 datum. Some vendors, such as Humminbird and Garmin, use extensions to the GPX format for recording street address, phone number, business category, air temperature, depth of water, and other parameters. The minimum properties for a GPX file are latitude and longitude for every single point. the GPX file may contain both route and track so that a program can get precise points from the track even if it has no access to a vector map.The GPX points may contain the text of those instructions. #GPX VIEWER SPEED DRIVER#
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