We did a test here with a vertical cage antenna. Started with four quarter
wave radials. SWR was 1:1...every weekend we added four more radials. Each
time the SWR went up and the input impedance went down...when we got to 44
radials we added four more radials to 48 and no change in SWR. My smart
friend said when the SWR stops changing you've pretty much reached the point
of demishing returns.
Have Fun,
dave
wa3gin
----- Original Message -----
From: "Richards" <jruing@ameritech.net>
To: "Tom Osborne" <w7why@verizon.net>
Cc: "Towertalk" <towertalk@contesting.com>
Sent: Friday, December 05, 2008 11:13 PM
Subject: Re: [TowerTalk] Inverted L Tuning - Solved
> Makes sense when you say it that way.
>
> The good news is that we all seem to agree the guy needs
> more radials.
>
> Thanks for the uptake!
>
> ========= Richards -K8JHR ==========
>
> =============================================
>
>> If you start to add radials, it will start to get the impedance closer to
>> where it should be. I'd think if it was perfect, it'd be around 32-35
>> ohms.
>> With 50 ohm coax. that would give you, maybe 1.4:1 or so. So, the SWR
>> actually went up, but the efficiency also went up. At least that's what
>> some smart guy told me once :-) 73
>
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