At 10/2/2008 16:06, you wrote: >Hi Tom, > > > >As others have said, try the dummy load at the antenna end of the cable >and see if there is any desense. > > > >Then try disconnecting the antenna input to the receiver from the duplexer >and place a dummy load on the receiver. Turn on the transmitter and see if >you still have desense. If you do then your receiver is probably picking >up RF from the antenna and causing the problem.
The problem could still be the feedline. The RF won't loop around to the outside of the coax (where the problem is) unless the antenna is connected, or if the connector at the antenna end isn't properly attached to the coax, in which case there will be desense with the dummy load. Bob NO6B
