[Antennas] RF Poisoning... Chris...

ac5jw . ac5jw.kb5fck at gmail.com
Sun Feb 22 16:28:16 EST 2015


I have used ferrites as large as 13 mm inner diameter, and I do not know
yet if larger sizes exist.

Raleigh, AC5JW



Amateur Earth Station AC5JW <http://www.qsl.net/ac5jw/>

On Sun, Feb 22, 2015 at 1:20 PM, KA4INM <ka4inm at gmail.com> wrote:

>   On 02/22/2015 11:59 AM,  W7DBH David wrote:
>
> /* snip */
>
>> 3.  I am wondering, do ferrites exist that are big enough to slip-over or
>> or clamp-over insulated #4 200Amp copper or aluminum wires?
>>
>
>   200 Amperes requires something in the order of 250 MCM for copper or
> 350 MCM for aluminum conductors.  #4 AWG is only good for about
> 95/75 Amperes respectfully.
> --
>   Ron  KA4INM - Youvan's corollary:
>                 Every action results in unwanted side effects.
>
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