so you have a dual final 959?
did you buy it like this off of ebay or did you do the mod yourself.
959's do not come from the factory with dual finals.
it sounds like the problem you are having is that the radio works on a dummy load, but not on the antenna right?
do you have a low pass filter?
if so, put it in line between the radio and the antenna and see if this changes the performance any.
please post back the results of this test.
my guess is that you have done some mods to the output section of the radio that have caused a high harmonic content.
your dummy load wont react to this, but an antenna will.
fundamental signal is 27mhz. 2nd harmonic is 54mhz. your antenna is tuned for 27mhz.
too much signal at 54 mhz will reflect right back into the radio, which could have caused the feedback you experienced.
so, please list any and all mods done to the TX of this radio if you don't mind, and we will start there.
LC
