[TowerTalk] Two Verticals one radial field

[Mark Robinson]

I have tell of people having good results setting a 40m 4 square inside an 
80m 4 square, so I think that you will have good results.

Mark N1UK G3ZZM

----- Original Message ----- 
From: "jeremy-ca" <km1h at jeremy.mv.com>
To: "N4PT" <n4pt at earthlink.net>; <towertalk at contesting.com>
Sent: Saturday, 26 May, 2007 9:37 PM
Subject: Re: [TowerTalk] Two Verticals one radial field


> Several QTH's ago I had 80 & 40M verticals sharing the same radial field 
> AND
> feed point with 1' seperation. Both worked quite well and had expected 
> VSWR
> patterns. With a multiband 4BTV you may have to experiment with 
> open/closed
> feed but at very close spacing the 80M should not distort the other 
> patterns
> to any great degree.
>
> Carl
> KM1H
>
>
> ----- Original Message ----- 
> From: "N4PT" <n4pt at earthlink.net>
> To: <towertalk at contesting.com>
> Sent: Saturday, May 26, 2007 11:17 AM
> Subject: Re: [TowerTalk] Two Verticals one radial field
>
>
>>I think I have seen this discussed before but could not find it in the
>>archives.
>>
>> I have an 1/4 wave 80 Meter vertical with about 100 radials under it. I
>> would like to use an old Hustler 4BTV for the lower bands. Can I use the
>> same radial field for the 4BTV? I would only use one antenna at a time.
>>
>> 1. What separation between the two vertical elements?
>> 2. How to connect to the radial field ? A line back to the central point
>> or just connect to the nearest radial ?
>> 3. When using one vertical should the other vertical be grounded or open 
>> ?
>>
>> 73,
>> Art N4PT
>> _______________________________________________
>>
>>
>>
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>
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