The link below should take you to a calculator (Google: log periodic
calculator). I tried it
a couple of months ago and the values seemed reasonable by looking at them.
Values
seemed to work in an antenna modeling program as well. I have yet to build
an array based on
calculated/modelled values which would be the real test.
http://www.dxzone.com/cgi-bin/dir/jump2.cgi?ID=16289
73, Larry W6NWS
----- Original Message -----
From: <k3hx@juno.com>
To: <towertalk@contesting.com>
Sent: Friday, July 02, 2010 10:34 PM
Subject: [TowerTalk] Log-cell VHF Yagi-Uda design help.
>I need to come up with a log-cell yagi that will cover 144.2-162.55 MHz.
>
> Boom length minimum is 68" and maximum is 100".
>
> I'd be grateful for advice to locate a site which has a log-cell Yagi-Uda
> calculator.
>
> 72,
>
> Tim
>
> Shameless plug:
>
> MI-QRP 4th of July Sprint 1900-2300 EDST. Good folks, great fun.
>
> ____________________________________________________________
> Penny Stock Jumping 2000%
> Sign up to the #1 voted penny stock newsletter for free today!
> http://thirdpartyoffers.juno.com/TGL3131/4c2ea1e549733132d9bst05duc
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|