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

[kq2m at kq2m.com]

Hi,

I want to thank everyone for their responses, photos, insight and 
suggestions which were overwhelming in number and with loads of 
excellent information -  It was Like drinking from a firehose!

Thanks to K9YC, N2TK, KK9A, KC2G, EA1DDO, K1HT, W7RY, N2WQ, N5ZO, K1XX, 
NA6O, K8LX, N1PGA.  (My apologies if I left anyone out).

What a great group!

73

Bob, KQ2M





On 2022-10-04 11:39, Jim W7RY wrote:
> 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