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Sounds like RF is getting back into the rig. How far away is the loop? Does it do that without the mic plugged in and just a shorted plug in the key jack? Bob, N1KPR NOTE Pls add backup address to your phone book: rwbetts@... http://www.bobsamerica.com? http://www.youtube.com/n1kpr Engineering: Where Enigma meets Paradox
On Friday, July 31, 2020, 6:41:29 PM EDT, Dale Parfitt <parinc1@...> wrote:
Again, how far is the antenna from the rig? Have you attempted choking the feedline to reduce common mode? Do you pretune the antenna before putting it on the rig? ? Dale W4OP ? From: [email protected] [mailto:[email protected]] On Behalf Of eb2elu@... ? But only happens with that antenna and only when antenna is tuned for the ubitx operating frequency. |
Bob, N1KPR