[TowerTalk] Chokes, toroids and coax (Oh my!)

[Jim W7RY]

Mouser for the cores.

I recommend RG-400. It has a stranded center conductor vice the RG-142, 
which is a solid conductor. RG-400 is easier to wind and stays put.

Make sure you look for some RG-400 at Dayton. There is always some 
there. Sans that, check eBay or the swap sites QRZ and QTH.
73, Jim W7RY


On 10/4/2022 11:32 AM, kq2m at kq2m.com wrote:
> Hi,
>
> I am in the process of deciding on materials to use in making the new 
> K9YC recommended chokes (thank you Jim!) for for my yagis, 4-squares 
> and for EMI suppression purposes.
>
> What I want to buy is:
>
> 31 material Toroids, I believe this would be Fair-rite part 
> #2631803802 2.4" OD  1.4" ID rings
> RG 142  Coax
> RG 179  Coax
> RG 400  Coax
>
> Does anyone have any recommendations from whom I should buy these 
> materials?
>
> I see the 31 material toroids for ~ $9 - 10 if I buy 25 or so
>
> RG142, RG179, RG400 vary enormously in price - and possibly also in 
> quality.  I don't know one manufacturer from another.
>
> I would appreciate any recommendations/details as to whom you would 
> buy from (or have bought from) and who you would avoid.
>
> Also, what/who would you recommend for small boxes in which to house 
> the toroid?
>
> Tnx & 73
>
> Bob, KQ2M
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-- 
Thanks and 73, Jim W7RY