Topband: lift station noise

Jim Brown jim at
Wed Apr 8 17:59:04 PDT 2009

On Wed, 08 Apr 2009 19:12:16 -0400, w2pm at wrote:

>Does anyone know if modern residential swimming pool motors use this 
>new technology? I am severely plagued by broadband hash which has only 
>started when a new neighbor had a pool installed. The noise continues 
>throughout the winter and he "thinks" the filter and heater runs even 
>while the pool is covered-off.  

I don't know, but my guess would be yes. If you are on good terms with your 
neighbor, you may get some relief with a good line filter. Corcom and Delta 
are good brands. They are not expensive, and should be fairly easy for an 
electrician to install. 

You should be able to find good help for these RFI issues on the RFI list, 
accessible from  Also, there's a tutorial on RFI on my 


Jim Brown K9YC

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