[BULK] - [TowerTalk] Delay Lines useing 9913 TRUE or FALSE

[Steve Katz]

This may be true for VHF-UHF-SHF use, where a small change can have a larger
electrical impact.  Hard to believe it would be true for HF or MF.  Vf, as
well as Zo, for coaxial cable is always "nominal" anyway, and not guaranteed
in every inch of cable.  -WB2WIK/6

"Success is the ability to go from failure to failure with no loss of
enthusiasm." -Winston Churchill

> -----Original Message-----
> From:	RCARIELLO [SMTP:RCARIELLO at si.rr.com]
> Sent:	Thursday, October 30, 2003 1:35 PM
> To:	Towertalk; FCG; YCCC
> Subject:	[BULK] - [TowerTalk] Delay Lines useing 9913 TRUE or FALSE
> 
> Hello to all.
> I have been told not to use an air dielectric coax such as Belden 9913 for
> delay lines. It seems the velocity factor changes as the cable is
> tie-wrapped or coiled which would effect its electrical length.
> 
> Rich AA2MF
> 
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