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Connecting a counterpoise to a single Magnetic Antenna Mount ??? 

AlpineRadioWaves
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I don't want to use a magnetic base with three magnets.
These are difficult to remove from the roof of the car, especially if it is very tall (like our Company Cars).
I can't connect the Diamond MAT-50 to my magnetic mount, so I have to come up with something else.
I only really need the counterpoise on the 40 meter band.
From 20 meters upwards it works perfectly without it.
What are your experiences with magnetic mounts?
73 Juergen (George)
AH6UN / OE4JHW
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5 май 2024

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Комментарии : 6   
@LB7VJ
@LB7VJ 2 месяца назад
Good demonstration! 👍
@AH6UN_OE4JHW
@AH6UN_OE4JHW 2 месяца назад
Thank you Øyvind
@leifunell2132
@leifunell2132 Месяц назад
Intresting! Magnets are really hard material, so what type of drill, did you use? Size of the drill? The screw you used, was it a self-tapping screw? Do you have some close up pictures of your work? I think I would do the same counter poise and handle the magnet mount with care. 73's de SM6GZL
@AH6UN_OE4JHW
@AH6UN_OE4JHW Месяц назад
Hello Leif, good morning from OE. In case of my MagMount the magnet itself is inside a steel housing. It was not so hard to drill a hole. I used a short M5 screw with a nut between the magnet and housing. But it should also work by cutting a thread. I will send you a picture. 73 de Juergen OE4JHW
@leifunell2132
@leifunell2132 Месяц назад
​@@AH6UN_OE4JHW Good morning and thanks a lot for quick reply! Ok, so your drilling hole is not in to the magnet it self? You drilled in "normal" steel then? Have you tried to go with 2 x 10 meters counterpoises or is it good to go, with 1 x 10 meters? I have a spare magnet mount and a wild thought said to me, why not use that as a counter poise as well? Connect two magnet mounts together on the roof. What is your opinion about that?
@AH6UN_OE4JHW
@AH6UN_OE4JHW Месяц назад
@@leifunell2132 Yes, I just drilled through the steel. I put the screw through the hole from the outside. The nut is inside. There is less than a centimeter of space between the magnet and the housing. You have to be careful not to damage the magnet when drilling. In my case a 1 x 10 meter counterpoise is enough. I emailed you two photos. 73 de Juergen
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