> One of the other systems tried an experiment to use a separate > receive antenna and they needed a lot of filtering to keep our > 11W into an 8-bay folded dipole only 15'
The hardware description is part of or most of the reported problem description: Wide-band close coupled relatively high/moderate gain antenna(s). > away, mixed with god-only-knows-what-else-up-there at that > almost 6000' HAAT site, from blowing away the front-end of > their brandy-spankin-new Kenwood every time we keyed up. You keyed up how far away (frequency spacing) and at what power level? Circulators or isolators in use? Did anyone measure the two antennas - system isolation/coupling value(s). > We even tried to help out their experiment with an additional > pass can on our transmitter, losing another 1dB at our output > frequency before the combiner, to get our signal a few more > dB down at their input -- didn't help. What I would probably expect as a result... > No such problems on the properly tuned/configured combiner - > multicoupler system. If the system was properly designed, constructed and applied. s.
