[Heathkit] SB-401

[Bry Carling]

Feedline? Balun? Trap? Connector... it could be a lot of different things.
tell us about your antenna , your ground, and feed lines.

Change things out one at a time until you find what fixes it. I usually find it is a bad connector or jumper cables.



Dan Pividal <dpividal at tampabay.rr.com> wrote:

>Last night I put my SB-401, SB303 in line at the station.
>When I went to tune the SB-401 it would not show any RF output on my
>watt meter.
>I kept trying to tune into dummy load and heard a pop from the 401.
>I was now getting full output on 75 meters 100 watts but, the SWR was
>at 4to1.
>I could tune up on all bands but the SWR was at 4to1
>Have not been able to fix the problem.
>I also checked the rig on my antenna that I know is good and same
>problem.
>What did I blow?
>Please pass me some helpful information as to fixing this problem.
>I have spare set of finals but I don't want to damage them.
>Thanks,
>Dan/N4VET
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regards,
Bry Carling

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