From: benthejrporter Date: 2013-07-31 12:05:21 hpanwo-voice.blogspot.co.uk/2013/07/pony-mutes-on-dartmoor.html …However there is another possibility which the article does not mention, but I think makes much more sense…

From: realiseyourefree Date: 2013-07-26 11:27:06 The PiSkyTracker looks to be ideal for the cost and considering that it can provide aircraft;  altitude, heading, speed(not sure if this is G/S or TAS) latitudinal & longitudinal gird references, flight number and unique identifying code is very impressive.  I say this because it is not legal(since 1942) to actually broadcast and…