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26uk81
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Call Sign : 26UK81
Posts : 108
Times Thanked : 2
Join date : 2020-06-06
QTH or Location : Oxford
Equipment Used : ss 6900N, AT5555N, President McKinley
Age : 39

Mag mount issue Empty
PostSubject: Mag mount issue   Mag mount issue Icon_minitimeSat Jan 15, 2022 9:26 pm

I have a strange issue with my mag mount.   Oddly enough a had a similar issue with a rill mount on another vehicle with a different antenna.    In this instance, it's a Sirio PL 145 mount and Sirio 5000 PL antenna.   When I screw the antenna on too tight, all incoming signals drop down and I send RF squeals when TXing.   Slacken it off a bit and everything is fine.   I can't see why this would happen.   Any ideas anyone?

In some better weather I'll open it up and see if I can improve the ground connection some how.   As it is, its via a contact plate on a single screw hole, where the top part of the mount screws down.    I've been in there before to re-wire with RG8 mini, I also used silicon sealant around various possible water ingress points.
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Alan Pilot
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Alan Pilot


Call Sign : 163-CT-220...MW7TTA
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Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 150

Mag mount issue Empty
PostSubject: Re: Mag mount issue   Mag mount issue Icon_minitimeSun Jan 16, 2022 2:12 am

Common fault with them is the coax connection in the base.
I have 2 of them bought at different times and both had bad coax connections.
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