[Elecraft] BL2 choking Impedence measurements?

[Jim Brown]

On Sat, 28 Aug 2010 11:14:33 +0100, Ian White GM3SEK wrote:

>>Not many beams around my way in those days; I'm more interested in 
>>keeping noise out of the receiver.
>>
>These days, that is often the most important reason to use feedline 
>chokes.

YES! And keeping RF out of the shack, and out of your neighbor's living 
room high futility system. 

>As I said previously, any choke that is liable to this kind of 
>measurement error will have exactly the same problems in a practical 
>installation - only far, far worse - resulting in unreliable 
>performance. That is a very good reason to avoid high-Q (frequency 
>selective) chokes and choose a more broadband design.

YES. This is the fundamental problem with #61 as a core material. 

73, Jim K9YC