I have a N8XJK boost regulator which has RF switching like your booster. I use a UHF "T" connector -- 2 female and 1 male. I connect the male plug directly to the booster and then use coax jumpers to connect the radio and the antenna. That way the stub is so short that it doesn't have a noticeable effect on the antenna match.

73 Bill AE6JV

On 6/26/16 at 7:51 PM, [email protected] (Kenneth Christiansen) wrote:

I plan to go on vacation in about a week and bought a MFJ-4416B battery booster to use with my KX3 and KPA100 in my camper. I see a SO239 jack on the booster that needs some RF to turn the unit on during transmit and off during receive. I tried letting it run during receive but it makes a low level nasty interference on 20 CW. Does anyone have experience feeding RF to that jack? I feel it would be undesirable to have a branch off my feed line that would act as a tuned stub. I feel the RF switching would be desirable but need to know the best way to do it.

-----------------------------------------------------------------------
Bill Frantz        | Truth and love must prevail  | Periwinkle
(408)356-8506 | over lies and hate. | 16345 Englewood Ave www.pwpconsult.com | - Vaclav Havel | Los Gatos, CA 95032

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