[Elecraft] BNC jumpers? (Thanks)

[Jim Brown]

On 4/8/2012 5:10 PM, Bob Nielsen wrote:
> RG142 has a copperweld center conductor which isn't very flexible  RG400 is similar but has a stranded center conductor and is more flexible (but also expensive).

The steel component of copperweld makes it lossier than solid or 
stranded copper below about 10 MHz. You can see this in graphs of loss 
vs frequency for coax with CCS center conductor.

73, Jim K9YC