MAV Downlink

This is an app that allows you to use your Android smartphone to provide Internet telemetry to your MAVLink-compatible autopilot.

This grants you the ability to talk to your UAV via the standard telemetry interface no matter where it is, as long as it is within range of a 4G or 3G cellular network. You can fly a UAV in California from New York; or just fly in your field without buying expensive Telemetry hardware.

This has been tested on APM 2.6 but should be compatible with all autopilots and mission planning software that:
1) Uses MAVLink
2) Has an onboard USB to serial port communicating at 115200 Baud
3) Mission planner software that supports connectivity over TCP/IP

A manual for usage of the app can be found here:
http://appliedanalog.com/applieduas/mav_downlink_advanced_manual.pdf
The URL for the downlink server software referenced in this manual has changed. It can now be found here:
appliedanalog.com/applieduas/LocalMavMapper.zip

There is no warranty expressed or implied with this app. It is up to you to figure out how to use it and your responsibility to use it according to the laws of your local jurisdiction.

Both this Android app and the downlink server are open source applications. You can find the source, respectively, at:
https://github.com/neonbjb/MAV-Downlink
https://github.com/neonbjb/MAVDownlinkServer