[TowerTalk] 4 SQ issue

[Jorge Diez - CX6VM]

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 at 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