Hi Gary,
It doesn't sound like you have an RF link problem. You won't normally notice any failsafe condition in-flight that lasts under 1 second duration. You probably don't have any flight surfaces set for a preset failsafe position, except the throttle. If that is the case at best you may notice a hold, and see it as a non response or seemingly slow response to a hard aileron movement or some other known input. If you set your elevator for a 1/2 inch up failsafe position, you may then notice fail-safes if you had several of them of longer duration. Another way to send you a signal while flying that you may notice, is to set the landing gear for a down position failsafe. As I said before the duration is going to have to be at least 1 second for you to notice anything.

With the JR 10X antenna removed, aircraft on a wood or plastic stand 2 1/2 - 3 feet off the ground you should be able to walk out 225 feet with the turbine running full power, and be glitch free turning the transmitter in all directions. Do this range check if you see some glitching try moving the Rec. antenna's relative position to the ECU and or fuel pump motor, until you get the 225 feet clean and clear. I am assuming your ECU is at least a 4.0 or later vintage. If it is an older version you should upgrade to a newer version like the new version 5.0.

Bottom line is from what you've stated I don't think you have a problem big enough to loose any sleep over.
Lee H. DeMary
AMA 36099