The MiniWhip antenna this thing uses is interesting all on its own, see: http://www.pa3fwm.nl/technotes/tn07.html http://www.pa3fwm.nl/technotes/tn07.html I s

The MiniWhip antenna this thing uses is interesting all on its own, see: http://www.pa3fwm.nl/technotes/tn07.html http://www.pa3fwm.nl/technotes/tn07.html I see they are widely available to buy.