A-GPS Tracker
By CMG.BAT Studio
This is an outdoor Tracker utilizing the A-GPS capabilities of your telephone. If activated it could report your observe even when the cellphone goes to stand-by.
It is designed in particular for hikers that want to document a model new path or need to follow an current track and, more importantly, need to keep away from dropping themselves during their return means.
Features:
- Elevation is given relative to imply sea stage ( note that most android applications do not 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 different folks. Its Elevation vs Distance profile could be shown on the screen.
- Statistics of a loaded GPX observe will include the net walk time, ascent and descent altitude.
- A observe path monitor operate may be enabled to provide an alarm in case you are leaving a loaded GPX path.
It is essential to know that this App is good to trace your path but if you want to measure a walked distance the accuracy just isn't so good. A distance is measured as the sum of distances among the many points acquired each 3sec or 5meters, but GPS accuracy is about 10/20meters, if the path is casual( not like a automotive that follows a road) the ultimate result can’t be very correct. Errors up to 15% within the measurement of distances are regular.
Errors are determined by several components. The most essential are:
- quality of received satellite tv for pc indicators, that is poor is the sky is clouded,
- configuration/relative position of satellites that's repeatedly altering,
- reflections of the alerts on giant surfaces like partitions,buildings, and so forth.
These are the explanation why GPS could get poor position coordinates when GPS indicators are weakened by meteorological circumstances and specifically in urban areas, when satellite indicators are obtained from a multi-path propagation due to reflections on buildings.
NOTE:
GPS is used right here as a generic time period and refers again to the functionality to receive position data from alerts acquired from satellites. Modern telephones can obtain place data from multiple satellite tv for pc system, i.e. not only the american GPS but also GLONASS, BeiDou and Galileo. A-GPS Tracker will obtain data from all the out there satellite navigation techniques. In addition A-GPS (Assisted GPS) additionally makes use of floor sources like cell tower information and WiFi, which will improve quality and precision when in poor satellite tv for pc signal conditions and particularly will help to reduce time to begin out fixing initial place. 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 may be given solely by GPS.
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