In summary... And W6QHS told me the same thing:
The 204BA is darn good antenna for what it is.
73
On Thu, 20 Mar 1997, Roger A. Cox WB0DGF wrote:
> The 205CA is on a 34 foot boom. W2PV has shown that with this length boom
> on 20m, usually you can get good gain OR good F/B but not both at the same
> time. The older 205BA had good gain, approx. 6.9 dBd but only 15 dB F/B.
> The newer 205CA has aprox. 6.5 dBd with 30 dB F/B. The 204BA has approx.
> 6 dBd and 27 dB F/B on a 26 foot boom. I do have a model of the 205CA
> which acheives >7 dBd with approx 20 dB F/B but the impedance is around
> 15-20 ohms, and the bandwidth is limited. If anyone is interested, I can
> provide this. I do not think that you can gain much by using 4 elements on
> a 34 foot boom. I have tried this, and you end up with the same tradeoffs.
>
> 73 Roger WB0DGF (Hy-Gain)
>
> --
> FAQ on WWW: http://www.contesting.com/towertalkfaq.html
> Submissions: towertalk@contesting.com
> Administrative requests: towertalk-REQUEST@contesting.com
> Problems: owner-towertalk@contesting.com
> Sponsored by: Akorn Access, Inc. & N4VJ / K4AAA
>
-----------------------------------------
Bill Fisher, N4VJ / K4AAA
http://www.contesting.com
-----------------------------------------
--
FAQ on WWW: http://www.contesting.com/towertalkfaq.html
Submissions: towertalk@contesting.com
Administrative requests: towertalk-REQUEST@contesting.com
Problems: owner-towertalk@contesting.com
Sponsored by: Akorn Access, Inc. & N4VJ / K4AAA
|