[Boatanchors] Ferrite Chokes

[Geoff]

----- Original Message ----- 
From: "Keith Densmore" <kmd at xplornet.ca>
To: <boatanchors at mailman.qth.net>
Sent: Monday, July 16, 2012 11:25 AM
Subject: Re: [Boatanchors] Ferrite Chokes


>>>> Might be interesting to put the antenna up without any choke or
>>>> ferrite and see how it works out......
>
>
> Thanks to a kind suggestion from one of the list members, I have ordered a 
> set of beads from Palomar. The advantage of these is I do not have to 
> disassemble the coax connectors to install.
>
> I used to use a multi wire dipole without balun, located not too far from 
> the house without any RF feedback issues. Not so with the Off center fed 
> dipole which is totally unbalanced, and without a choke causes lots of RF 
> back into the shack. I guess there is no such thing as 'free lunch'.
>
> 73
>
> Keith ve3ts

You might still need more in the house if modern digital, video, appliance 
and switching supply noise is a problem. Using the large toroids, only $6.94 
at Mouser, they will be more effective and cheaper than snap ons.


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