"Hi @Chris, Could you let me know if Wfly WFT07 2.4Ghz TX/RX is a good choice for ArduCopter? Thanks."

"in the next Arducopter release this function should be active."

"I can see there is a Arm/Disarm button in MP now :) But how can i use it ? When i click the button, nothing happens..."

"Could be a Arm/Disarm button in MP..."

"Should work fine, why wouldn't it? You might need to figure out a way to arm the APM without a TX, but mine always seems to be armed anyways."

"Maybe a future feature for APM a buzzer that comes on after a settable length of time, useful if you forget to unplug the battery or loose your aircraft ! - Or to beep at any other event low battery, time, etc"

"Why does your Video TX have 2 power supplies, regulated and unregulated ? that could be and issue as well as the grounds mentioned alerady."

"Any video ?   Dave. UK"

"Yes, indeed DGPS is really the only practical option and LF beacons like these http://www.effective-solutions.co.uk/beacons.html would be a good idea.. Making a reference station is not that difficult, just record RINEX data over say 24hrs…"

"Or this http://www.youtube.com/watch?v=FATVNEB1_BY ; ;-)"

"I think so. You could always make your own reference station..."

"Gary, is this ones that use Classic FM's RDS carrier wave ?"

"Good catch. We'll clarify the nomenclature in the next software rev."

"Looking at it again I think I've got the idea of the APM2.X hardware PID's and AC2 software settings."

"Thanks Chris, That cleared things a bit ! I seemed to have got confused looking at the docs when they link from one area to another. I'm just trying to get the whole project straight in my mind how it all works together The APM & AC2 I was…"