A-GPS Tracker – This application allows you to track your location using the A-GPS offer from mobile phones. When the app is enabled, it can record the path even when the phone is idle or used for other apps.
The app is optimized for trekking and allows you to record a new path or follow an existing route, and most importantly, in my experience, allows you not to get lost on your way back from your trip.
Main characteristics:
- Height above sea level
- Latitude and Longitude, in degrees and in UTM-WSG84 (used in many paper charts)
- Tracks and stored in a GPX file. The track can be recorded, loaded into memory, read from memory or shared with others. Here you can view the track’s elevation profile on screen.
- The statistics calculated per track include the actual walking time, the value of the height difference for the ascent and descent.
- The “Route Control” function can be turned on in order to generate an alarm when you move away from the track while charged.
- To store or follow one track it is not necessary that your phone is connected to the internet and to a mobile phone network.
NOTES:
The term GPS is used here in a general sense and in reference to the ability to obtain position data through accurate signals from satellites. Recent phones can receive location data from various satellite systems, in addition to American GPS such as GLONASS, BeiDou and Galileo. A-GPS Tracker can receive data from all these navigation systems, in addition, A-GPS (Assisted GPS) uses an additional set of signal sources such as mobile phone antennas and Wi-fi, which can increase the quality and accuracy and, in particular, , help reduce the time to find the starting position.
GPS can give inaccurate results when weather conditions are bad and can cause errors very significantly in urban areas where satellite signals can be reflected off buildings and the receiver can be deceived because the signal is received over paths of varying lengths.
Source: Trash Box
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