It's not actually xbee but the 3DR radios operate in a similar way.
You can have as many as you want on the ground you just need to set them to the same channel.
I have never operated two on the ground at once (i.e. I've either had a…"
I know what you mean about time, progress is slow at this end!
For the mode keys, plan is to have an extra row of keys with leds dedicated to changing modes, each button corresponding to a specific mode. A solid led will indicate current…"
"@Jean-Marie, that sounds weird - when you power by battery does the rest of the ASM still work? Is it only the radio that is not working? On your first image you only have three wires connected to the telemetry port - do you have all four connected…"
Is it an APM 2.6? If it is then the external GPS also has the Magnetometer in it so should be a good distance from the magnets. The rest of the the electronics will be fine with the magnets.
"Do you mean http://www.unmannedtechshop.co.uk - if you do I believe they are official 3dr re-sellers. I've used them before and they were good. They have a user account here, send them a message if you've any concerns
"Looks really good, I like the size/form factor.
I been flying the Bomatec Q which is a small folding wing about the same size. It's great for throwing in the back of the car and tough as nails but doesn't have enough room for a camera once you've…"