Sounds like the magnetic field from your amps plate xfmr is deflecting
the electron beam in your crt. A sheet of soft iron between the two may
help. A better material would be mu metal or some similar high
permeability material but not easily available to most hams. 72, Dan,
N5AR
Billy W. Cox Jr., AA4NU wrote:
> Hi !
>
> Moved some things around in the station
> recently, and noticed now that with the amp
> ABOVE the monitor, there is a "ripple"
> or "jumpiness" now when the amp is on.
>
> Any proven "cures" for this ? Amp is an
> AL-1200 and the monitor is a real IBM
> VGA 8513 ... From the bottom of the amp
> to the very top of the monitor case is 2 - 3"...
>
> See many pictures with other setups,
> and their spacing appears to be much
> close than what I am using, so perhaps
> there is an easy/simple solution.
>
> Sorry for such a "basic" question, but I
> know someone else has been down
> this road before ... this should be an
> easy one, compared to the recent topics.
>
> Thanks, and have a great week !
>
> 73 Billy AA4NU
>
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