A-GPS Tracker

A-GPS Tracker

A-GPS Tracker is ideal to support your Trekking Adventures

App details

Android 4.4+
Get A-GPS Tracker for Free on Google Play
4.4 (87.1%) 2,986 votes

App description

This is an outdoor Tracker using the A-GPS capabilities of your phone. If activated it may record your track even when the phone goes to stand-by.
It is designed in particular for hikers that want to record a new path or want to follow an existing track and, more important, if they want to avoid loosing themselves during their return way.
- Elevation is given relative to mean sea level ( note that most android programs don't do this)
- Your Latitude and Longitude coordinates are given in degrees and in UTM-WSG84 (published in paper maps)
- A track is stored in a GPX file. It can be recorded, stored or loaded to/from memory and shared with other people. Its Elevation vs Distance profile can be shown on the screen.
- Statistics of a loaded GPX track will include the net walk time, ascent and descent altitude.
- A "follow path" monitor function can be enabled to provide an alarm in case you are leaving a loaded GPX path.

GPS is used here as a generic term and refers to the capability to receive position data from signals received from satellites. Modern phones can obtain position data from more than one satellite system, i.e. not only the american GPS but also GLONASS, BeiDou and Galileo. A-GPS Tracker will receive data from all the available satellite navigation systems. In addition A-GPS (Assisted GPS) also uses ground sources like cell tower data and WiFi, that may enhance quality and precision when in poor satellite signal conditions and in particular will help to reduce time to start fixing initial position. GPS will be the source of the more accurate position: Latitude, Longitude and Altitude. Note that for hikers Altitude it is of particular importance and can be given only by GPS. GPS may get poor position coordinates when GPS signals are weakened by meteorological conditions and in particular in urban areas, when satellite signals are received from a multi-path propagation due to reflections on buildings.

Changelog / What's New

Changed information displayed at the first run.
Several small changes and fixes.

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