[ROVERNET - UK] Radio noise

[Shirley & Barry Lafbery]

Dave
        Eric just answered that for me. I had a feeling some one would ask.

Barry
P2-3-5


> Barry wrote
> > What a great wealth of knowledge we have on Rovernet. Now I know why
>  > the radio is noisy with the hood up and fine with it down.
> > Lets hope we don't get into Cavity Magnetrons
>
> Barry
>
> What's a Cavity Magnetron? :-)
>
> Oops I stuffed up!
> The mention of low permeability steel is so much frog manure!!!
>
> It should read high permeability!!
>
> Dennis Brooks wrote:
>> Thanks for the explaniation Dave...now here's one...how can one tell the 
>> difference....RF (aerial) or direct (dc supply).
>
> Difficult, as there are many possible entry points for RF ..... connect 
> the radio (leave it in the vehicle) to a remote battery or power supply 
> source via WELL SHIELDED supply leads and see if the interference is 
> reduced.
>
> Shielded DC leads must be used, as any airborne RF interference will be 
> induced into unshielded ones.
>
> Another possible RF entry point is into speaker wiring ...
>
> Cheers
> Dave
> South Oz
>
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