RE: Reason for not upgrading to 2.4
Having built 72 and 27 mhz radios -and used em and done field testing on some I di have problems with both 27 and 72.
I had frequency conflicts, multipath problems ,AGC problems (that was a real bear on a particulat old JR design) and just plain old tuning problems
On my Spektrum stuf - I knew going in that the small antennea would be an issue -and it was
some simply can't understand that thet the rx have to able to "see out" the voltag thing - a small matter of holding correct voltage and a very very easy fix .
after that
It's all a piece of cake.