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RF in the shack
#2
I have an idea. I have some adhesive copper tape for shielding. You can use this to tape down the inside covers of your keyer and then ground to a single point to reduce external noise/radiation.

I suspect your antenna has a strong lobe in the direction of your keyer position. Shielding may alleviate this.

LMK if you want to try this.

Either that or try changing the decoupling capacitors C3 & C5 on the paddle inputs.

They are .01uF. You could try scoping these points while transmitting phone on 80M to see if it's being induced in the paddles.
K1RCT - Rob
W1NRG Station Activities Manager
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Messages In This Thread
RF in the shack - by KC1SA - 11-24-2015, 08:39 PM
RE: RF in the shack - by K1RCT - 11-25-2015, 03:16 PM
RE: RF in the shack - by KC1SA - 11-25-2015, 09:44 PM
RE: RF in the shack - by N1API - 11-26-2015, 01:41 AM
RE: RF in the shack - by K1RCT - 11-26-2015, 04:45 PM

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