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G0TEZ > OLDSET 21.07.09 05:30l 14 Lines 503 Bytes #999 (0) @ WW
BID : 7B0085G0TEZ
Read: GUEST
Subj: hum bucking.
Path: IZ3LSV<IK2XDE<DB0RES<ON0AR<GB7YKS<GB7SYP<GB7FCR
Sent: 090721/0426Z @:GB7FCR.#16.GBR.EU #:29833 [Blackpool] FBB-7.03a $:7B0085G0
From: G0TEZ@GB7FCR.#16.GBR.EU
To : OLDSET@WW
> Wasn't a hum bucking coil a single winding on an iron core that was
> connected in series with the loudspeaker and positioned close to the
> power transformer in order to pick up some hum voltage? Wasn't there
> a wirewound pot also, to allow for minimizing the level of hum. And
> the phasing had to be correct, else it wouldn't work.
>
> 73 de Neil ZL1ANM
Sounds about right to me, Neil, though there were a few variations.
73 from Ian, G0TEZ...
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