[Icom] RE: M obile Noise Supression Help Needed

[Jim Gerke]

Since you didn't mention it, one of the biggest noise radiators is the
exhaust system. Make sure it's well grounded at the rear and one or two
other places between there and the engine.

73, Jim, K5QL 

Jim Best wrote:
> 
> I have enjoyed reading the group's effort on
> mobile noise suppression but I have a more
> unique problem.
> 
> I have a 97 Ford F350 Power Stroke diesel
> and I have an ungodly amount of engine noise
> especially on 80 and 40, usually S-7 and S-5
> or so on the other bands.
> 
> The noise appears to be coming thru the antenna,
> which is a High Sierra Screw Driver.  I have
> taken advice from others and eliminated the
> possibility that the remote cable is the problem,
> (connected the head directly to the radio).
> I have connected grounds from the frame to the
> bed of the truck, the cab, and the engine.
> 
> The noise sounds like spark plug noise which
> is impossible for a diesel.
> 
> I will greatly appreciate any help and suggestions.
> 
> 73   de   Jim
> N7CLV
> 
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