[TowerTalk] Re: One more ground radial question

[Jan Erik Holm]

You need no helicopter. In practical sense just
measure the ground wave.
We are not trying to confirm loobes in the vertcal
plane, then you need helicopters.

73 Jim SM2EKM
---------------------

Jim Lux wrote:

> Hard to do, in a practical sense... You'd need a measurement receiver in an
> airplane, helicopter, balloon etc, because the field strength at "ground
> level" isn't really what you're interested.
> 
> Perhaps measuring beacons before and after?  But you've got the propagation
> variations to worry about.
> 
> This is why evaluating HF antennas is such a royal pain.
> 
> ----- Original Message -----
> From: "Jan Erik Holm" <sm2ekm at telia.com>
> To: <towertalk at contesting.com>
> Sent: Wednesday, December 17, 2003 8:37 PM
> Subject: [TowerTalk] Re: One more ground radial question
> 
> 
> 
>>Is something like this ever confirmed by field
>>strenght measurements?
>>
>>73 Jim SM2EKM
>>--------------------------------------------------
>>
>>Don Havlicek wrote:
>>
>>>Yes!
>>>In my case ... 60 radials spaced 6 degrees apart .. then concentrations
>>>of ten radials at 1 degree each for Europe, Japan, South America, and
>>>VK/ZL ... works like gangbusters .. all I need now is to clean out the
>>>shack and put a new feedline out to the vertical again!
>>>Don
>>>N8DE
>>>
>>>va3pl at cuic.ca wrote:
>>>
>>>
>>>>----- Original Message ----- From: "Don Havlicek" <n8de at thepoint.net>
>>>>To: <kb9cry at comcast.net>
>>>>Cc: <TowerTalk at contesting.com>
>>>>Sent: Wednesday, December 17, 2003 12:12 PM
>>>>Subject: Re: [TowerTalk] One more ground radial question
>>>>
>>>>
>>>>
>>>>
>>>>>I believe the word "optimum" should be replaced with "sufficient".
>>>>>My experience with verticals tells me that 100 radials works much
>>>>>better than 60, especially when concentrated in certain directions.
>>>>
>>,
>>
>>
>>_______________________________________________
>>
>>See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
> 
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any
> questions and ask for Sherman, W2FLA.
> 
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> 
> 
>