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Ft. Tuthill 80m kit

Discussion in 'QRP Corner' started by AA9AA, Apr 28, 2020.

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  1. AA9AA

    AA9AA Ham Member QRZ Page

    Anyone familiar with this kit? I have built it and it works great, However when I power up the rig after the v1 cw tone in beginning I can hear the analog switch and get a loud squeal in the audio, if I key the rig this goes away and rig works perfectly. I do not have it in a case as yet and have been operating with the board on my desk. it does not affect the operation of the rig just annoying. It sounds kind of like front end overload but it happens when hooked to dummy load. Thanks 72 Mike aa9aa
     

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  2. KA0USE

    KA0USE Ham Member QRZ Page

    maybe feedback because it's not in a metal case?
     

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