[TowerTalk] [CQ-Contest] 80m delta-Loop coax

[Jim Brown]

On 12/5/2012 9:17 AM, Cqtestk4xs at aol.com wrote:
> Although the numbers for coax are specified, I like to cut the stubs  a
> couple of feet longer and then trim them down to the correct length using the
> MFJ 259.

That's the only good way to do it.  The velocity factor of coax varies 
with frequency (a percent or so lower at lower frequencies), and there 
are also manufacturing tolerances.  Published Vf is for the higher 
frequency value.

73, Jim K9YC