SB 300 / 401 request for help from w0fn

[Paul K. Dean]

All -

Below is a request for assistance from Bill, w0fn.  He has had some
difficulty posting his message to the list.  If you can be of assistance
to Bill with his SB 300 / 401, he can be reached at w0fn at kc.rr.com.

Thanks.


> Yes, Paul I am sure it was.  The net control said it was forwarding to
> you, and I thanked them and they said Your Welcome, but I guess if it was
> an attatchment, it never got to you.  I tried several times sending it to
> the net but I am not very computer literate and I guess it never made it.
> Briefly my problem is an unwanted carrier of about 5 watts with an
> SB-300/SB-401 combo(tuned to about 90 warrs output) in the locked
> position, when the ptt is engaged. In the unlocked position the operation
> is normal and the carrier only a hairline trace on the monitor scope, with
> the ptt engaged.  The carrier null and balance controls have no effect on
> this unwanted carrier, nor does reducing the drive and mike gain control
> to zero.  Tune up in either the locked or unlocked position on the SB-401
> is normal. I tried tapping on all of the tubes(except the finals) with a
> small rubber mallet while holding the ptt engaged (which sometimes has
> some unusual an unintended consequences, but no reduction in the unwanted
> carrier.  Paul, if you could put this reply on the net it may contain
> enough information to be helpful.  Any help would be greatly appreciated.
> Bill, w0fn
> ---- "Paul K. Dean" <heathmod at ntelos.net> wrote:
> Bill -
>
> Threre was a message from you a while back that had no content and thus
> did not distribute.  Might that have been the one?
>
>
>> Paul, Did my request for help on the unwanted carrier problem on the
>> above
>> combo ever get listed?  I did not receive a single reply which seems
>> unusual.  Bill, w0fn
>>
>
>
>
>
>

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