[TowerTalk] Ferrites 31 vs. 77 material

[Jim Brown]

On 10/27/2019 9:13 PM, Svend Spanget wrote:
> Here is an interesting article:
> http://www.karinya.net/g3txq/chokes/

Yes, but virtually all of the recommendations for #43 and #52 material 
are WRONG! The problem is not his measurements, but rather the wide 
tolerances of Fair-Rite components combined with the relatively high Q 
of these particular materials at HF as compared to #31.

73, Jim K9YC