[TowerTalk] Log-cell VHF Yagi-Uda design help.

Larry lknain at nc.rr.com
Sun Jul 4 05:20:16 PDT 2010


No problems here.  I have run it several times on multiple systems and no 
viruses.
Some anti-virus programs/browsers are more generous with such notifications 
than others.
You will have to decide whether to proceed or not.

Please, let's not have another list of reports and/or discussions about 
anti-virus programs
or browsers here.

73, Larry  W6NWS
----- Original Message ----- 
From: "Scott MacKenzie" <kb0fhp at verizon.net>
To: "'Larry'" <w6nws at arrl.net>
Sent: Saturday, July 03, 2010 10:16 PM
Subject: RE: [TowerTalk] Log-cell VHF Yagi-Uda design help.


>I got notified it was a bad site - and loads Trojans, etc
>
>
> -----Original Message-----
> From: towertalk-bounces at contesting.com
> [mailto:towertalk-bounces at contesting.com] On Behalf Of Larry
> Sent: Saturday, July 03, 2010 10:00 PM
> To: TowerTalk
> Subject: Re: [TowerTalk] Log-cell VHF Yagi-Uda design help.
>
> 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 at juno.com>
> To: <towertalk at 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:
>>
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>>
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>>
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>
>
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