Jorge
I am using the Comtek box.
Regards,
Mark, K1RX
> On Nov 2, 2021, at 2:44 PM, Jorge Diez - CX6VM <cx6vm.jorge@gmail.com> wrote:
>
>
> Hello Mark
>
> what 4SQ box do you use? DXE or homemade?
>
> Sometimes, after several days that I not use my DXE-TFS4, antennas show high
> SWR, I need to TX with high power to return them to low SWR
>
> 73,
> Jorge
> CX6VM/CW5W
>
>> El mar, 2 nov 2021 a las 12:41, Mpridesti via TowerTalk
>> (<towertalk@contesting.com>) escribió:
>> My 80 m 4 SQ seems to work well in 3 positions. To the SW the signal drop in
>> the favored direction where the other 3 directions appear to work well.
>>
>> SWR measurements seem normal around 2:1 at the end of the 1/4 wave 75 ohm
>> lines except one which is 1.87. Haven’t made loss measurements yet but I
>> suspect the lowest SWR line is the problem (low reading due to higher than
>> normal loss making it the suspect line).
>>
>> Has anyone else experienced this type of behavior? Also the suspect line is
>> the NW element and the direction which has the problem is SW. Does this make
>> sense? Effectively this lossy element is the other half of the “driven
>> element “ if you thought of the 4 sq as a 3 el vertical beam.
>>
>> Keeping with this concept, one would think the NE direction would have
>> similar loss but it doesn’t (or it’s not noticeable).
>>
>> Regards,
>>
>> Mark, K1RX
>>
>>
>> _______________________________________________
>>
>>
>>
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>
>
> --
> 73,
> Jorge
> CX6VM/CW5W
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