[TowerTalk] 4 square question

jimlux jimlux at earthlink.net
Fri Oct 23 08:44:10 EDT 2020


On 10/22/20 9:45 PM, Michael Tope wrote:
> Bob,
> 
> I found this by googling "4  square 8 directions":
> 
> https://ncjweb.com/bonus-content/k3lc4squarea.pdf
> 
> I think W8JI describes something similar on his website.
> 
> 73, Mike W4EF....................
> 
> 

and that 4 square handbook from the DF6QV.. He's got all possible boxes 
and phasing
http://tm1o.free.fr/4SQ/80m/en_ver_final4-sq_03_04_15.pdf



> 
> On 10/22/2020 7:39 PM, kq2m at kq2m.com wrote:
>> I really want to thank Jim, Jeff, Les, Mike, John and Gary for all of 
>> their help, answers and ideas to which I have been giving a lot of 
>> thought this week. The information gleaned has made me confident of 
>> the new design.  Unfortunately there is no way to avoid putting the 
>> 4-square elements around the tower so I know that interaction effects 
>> will likely be noticed.  Vicious storms have taken down all the other 
>> tall trees that were previously in use to support my 80 meter 4-square.
>>
>> Note to Jim Lux – I am particularly intrigued by your idea of changing 
>> the feeding of the elements so that I can radiate broadside from the 
>> side of the array rather than on the diagonal since the only trees 
>> that I have to support elements happen to be roughly N, E, S and West, 
>> which, with the Comtek phasing box, would give me radiation N, E, S 
>> and West rather than the desired NE, SE, SW and NW.
>>
>> The Comtek ACB-4 outdoor box uses the NW element in Pos 1 on the 
>> outdoor , NE (2), SE (3) and SW in position 4 and arranged as shown in 
>> the .pdf:
>>
>> www.static.dxengineering.com/pdf/comtek_4_square_info.pdf
>>
>> Which elements (N, E, S, W) would you put in which positions on the 
>> box (so that the 4-square radiates toward the NE instead of East?
>>
>> How is the gain and F/B and F/S compared to the standard pattern that 
>> radiates diagonally?
>>
>>
>> Tnx to all & 73!
>>
>> Bob KQ2M
>>
>>
>>
>> -----Original Message-----
>> From: Gary Johnson
>> Sent: Monday, October 19, 2020 12:49 PM
>> To: kq2m at kq2m.com
>> Cc: towertalk-request at contesting.com
>> Subject: Re: [TowerTalk] 4 square question
>>
>> This article may be of some use to you in your 4-square adventures. It
>> also appeared in NCJ.
>>
>> http://wb9jps.com/Gary_Johnson/Amateur_Radio_files/Four_Square_Rebuild_at_N6RO.pdf 
>>
>>
>> -Gary NA6O
>>
>> On 10/19/2020 9:00 AM, towertalk-request at contesting.com wrote:
>>> From: TowerTalk<towertalk-bounces at contesting.com>  On Behalf 
>>> Ofkq2m at kq2m.com
>>> Sent: Sunday, October 18, 2020 1:49 PM
>>> To:towertalk at contesting.com
>>> Subject: [TowerTalk] 4 square question
>>>
>>> Hi,
>>>
>>> I will be rebuilding several 4-squares this season as well as 
>>> restringing them in different trees due to Tornado damage (loss or 
>>> destruction of many trees at my qth) during Tropical Storm Isaias on 
>>> August 4th.  I have a few questions for which I would appreciate your 
>>> guidance....
>> _______________________________________________
>>
>>
>>
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