[TowerTalk] Re: [CQ-Contest] DX'er/Contester gets electric chair

[Mike]

At 02:25 PM 1/19/98 -0800, K7FD wrote:
>Arghhh...I'm listening for the 8Q7 operation thru
>a wall of noise...caused by a neighbor charging up
>her electric mini-wheelchair. I traced the noise
>down last night but does anyone know why this contraption
>would cause noise 3.5 - 29Mz with an S9+ girgling 
>noise every 5Khz? What components in the charging
>circuitry should I look for as culprits? Obviously
>the gal needs to get around her home...
>
>Thanks in advance,
>
>John K7FD

Try looking for an SCR in the charging circuit somewhere, have seen them
wipe out more than just 3-30 MhZ.
Also look for poor connections that are becoming a "spark Gap".

Mike...NO6X



Check out my home page at http://home.inreach.com/no6x

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