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May 01 2012

New 3DR Radio Telemetry System

http://api.ning.com/files/NC4Rs-RhY6b4ikH5XnjJn9bh*76ndPaxz5IYUQccm2kH9KynI2rt3PDhou4Rt7a56oSW-jaq32tx8avBNPOvuQ__/3DRradiokitdip.jpg

The 3DR radio telemetry system looks very promising!  It is intended to be an improved replacement for xBee radios.  We ordered a set as soon as we heard about them.  With improved performance specs and compatibility with Ardupilot, these radios look like they'll be flying on the next generation of Ecosynth aircraft.

In addition to these radios being specced better than the xBees, we'll be using them with directional antennas (the one on the ground station will point towards the sky; the one on the aircraft will be pointed down towards the earth).  We've always had trouble with xBee communication; even during standard flights the xBees are spotty at best once the kopter is up in the air.  These radios should be a welcome improvement. 

Update: 3DR Radios have come in, and they have been successful in connecting the arducopter to the ground station in the lab.  A flight test will follow soon.