Latest revision as of 19:02, 6 September 2010

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aTrack APRS tracker and communicator for mobile devices Homepage: http://atrack.googlecode.com/ Package: atrack Tested on: SHR

aTrack is one of the applications that runs on the Openmoko Phones. For a list of all applications, visit Applications

[edit] Overview

APRS tracker and communicator for mobile devices written in python / elementary. Targeted especially for the Openmoko Freerunner it utilizes FSO freesmartphone middleware framework. Tested and used on SHR, where atrack is in repos.

Front page

Create object/Item/message/Query

Station detail

Settings

[edit] Disclaimer

aTrack is a hobby project started out of need and interest for mobile programming. The code is not perfect but the quality might be evolving. Hopefully :)

[edit] Installation

Installation on SHR:

opkg install atrack

[edit] HAM licensing explanation

Please note that usage within the aprs-is network requires amateur radio license, but for non-commercial usage you can run your own FOSS aprsd server http://sourceforge.net/projects/aprsd/, this is given by the license of the APRS protocol, both aprsd server and atrack are FOSS).

The username/login is a combination of your callsign, the password is generated by aprspass program, which comes from the aprsd package on your Linux desktop.

[edit] YouLoc

Atrack can also track on different services, i.e. has support for youloc.net, but then it acts as a dumb tracker only.

[edit] Your server

You can also run a fake small perl script server PrivateAPRS_IS_FakeServer

[edit] Features

• aprs login with a try to autoreconnect on failure
• aprs filter support
• receive messages/bulletins
• create/reply/forward message
• predefined text strings for quick messaging
• predefined list of recipients
• ack autosend
• tracking + smart tracking - corner pegging (tracking on APRS and also on http://youloc.net/ )
• packet compression used on all packets
• pause tracking during phone call
• send status message
• send last know location
• calculate locator grid
• display nearby stations, objects, items
• edit/save into conf file
• portrait/landscape/fullscreen/day/night mode
• screen dim/suspend blocking
• APRS Query - replying to aprs query for position and status
• send any Direct query, predefined Q for P, S, M, O, H, D
• create, edit Objects and Items with predefined names
• Mic-E encoded packets initial support (shows some funny failures sometimes)
• display a map with position if an object/station - based on Openstreetmap or actually on http://ojw.dev.openstreetmap.org/StaticMap/

[edit] Known bugs

• tracking is sometimes reduced to bearing change only. This is probably due to the tracking function calling ecore.timer, exiting with error at some point. Ideas welcomed.

[edit] Links

• Screenshots
• Source code

[edit] Requires

• python
• elementary
• FSO freesmartphone middleware framework

User:vanous