[TenTec] 450 Ohm feedline

Chuck (Jack) Hawley c-hawley at uiuc.edu
Fri Apr 16 02:40:10 EDT 2004


Actually I think a great benefit is from reducing crosstalk from adjacent
pairs. The benefit of twisting tends to be significant up to around
30MHz...by one account I read.

Chuck, KE9UW

> -----Original Message-----
> From: tentec-bounces at contesting.com
> [mailto:tentec-bounces at contesting.com]On Behalf Of Robert & Linda McGraw
> K4TAX
> Sent: Thursday, April 15, 2004 20:57 PM
> To: tentec at contesting.com
> Subject: Re: [TenTec] 450 Ohm feedline
>
>
> Regarding twisting the feed-line, why do you suppose the phone company
> called it "a twisted pair"?  Answer: because that what it was and it was
> used to maintain symmetry and thus reduce induced voltage from overhead
> power lines.  Same applies here.
>
---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.654 / Virus Database: 419 - Release Date: 4/6/2004



More information about the TenTec mailing list