[RFI] Line filters for VHF?

[David Robbins]

I wonder if the 3 cores you used stopped most of the junk from that one box, but you were still seeing junk coming in from the rest of the building or outside??  
 
here is one source of power filters for vhf/uhf, these are for dc use but maybe they have ac ones also I just haven't found.
http://www.schurter.com/var/schurter/storage/ilcatalogue/files/document/datasheet/en/pdf/typ_FMER_SOL.pdf

May 20, 2015 03:06:00 PM, paul at n1bug.com wrote:

I have been wondering about this for a while. AC line filters for HF 
are everywhere. Most are characterized up to 30 MHz. Are there some 
that work well at 147 MHz? I got tired of digging through data 
sheets as they all seemed to be for HF.

At the moment I'm trying to stop RFI from a computer. When "sniffed" 
with a detector the case seems quiet but the AC power cord certainly 
is not. The first three Fair-Rite 0443164251 snap on cores helped 
but adding more after that didn't. The line cord and associated 
wiring in the building is still radiating noise.

Thanks,

-- 
Paul Kelley, N1BUG
RFI Committee chair,
Piscataquis Amateur Radio Club
http://www.k1pq.org
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