[RFI] Vibrating Ferrite Chokes on Service Line

Jim Brown jim at audiosystemsgroup.com
Wed Jul 15 18:08:01 EDT 2015


On Wed,7/15/2015 2:30 PM, Aaron Kreider wrote:
> Jim,
>
> Thanks for the feedback!
>
> Unfortunately the lines are too big to fit through a single ferrite.  
> Does anyone make a ferrite choke with a 2.5 inch inner-diameter?

Sorry, no.  Besides, a single turn choke is of no value at HF.

>
> Otherwise I'm working on finding better positions for my antennas

Yes.

> , getting my phaser setup, and one-day I'll canvass the neighborhood 
> (and see how many people let me walk through their apartments). There 
> are lots of neighbors and lots of student renters - so I might have to 
> do this every year.   And there are a lot of people I don't know.

A choke on your power feeder, IF you could do it, would NOT reduce noise 
from your neighbors.

>
> What do you think the biggest danger is?  They didn't get noticeably 
> warm.  So maybe the wear and tear on the service line? There aren't 
> any trees nearby.

How can I say this more clearly?  It is a BAD idea. Don't do it!

73, Jim K9YC


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