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 swr in the snow

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Chefsdead
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Chefsdead


Call Sign : 26-CT-3891
Posts : 65
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Join date : 2020-11-30
QTH or Location : Doncaster
Equipment Used : CRT SS 6900N .. Yaesu ft450d
Age : 57

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PostSubject: swr in the snow    swr in the snow  Icon_minitimeThu Jan 14, 2021 11:28 am

Over the past few days my swr has been ok but now its snowing i'm getting a high reading is this normal ?
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Victor
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Call Sign : 26-CT-3228 Ham M7VIC
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QTH or Location : Bedford
Equipment Used : Various

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PostSubject: Re: swr in the snow    swr in the snow  Icon_minitimeThu Jan 14, 2021 3:59 pm

Hi Michael,

There's plenty of people see such SWR problems with snow and I don't think any have provided a truly definitive answer.

If it's jumped up a lot then I'd we worried about water ingress into the antenna and check it out next time you're able. By a lot, I mean if your SWR has gone over 2:1 or more, if it's barely flinched from say something like 1.2:1 to 1.6:1 I wouldn't even worry.
(I happily run antennas from 2:1 or less Wink)

Luckily my antennas are in my loft so protected from the weather, but then I run horizontals as a typical CB vertical definitely won't fit! Very Happy


Others are bound to have more input but hope that helps.

All the best,
Victor
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Chefsdead
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Chefsdead


Call Sign : 26-CT-3891
Posts : 65
Times Thanked : 0
Join date : 2020-11-30
QTH or Location : Doncaster
Equipment Used : CRT SS 6900N .. Yaesu ft450d
Age : 57

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PostSubject: Re: swr in the snow    swr in the snow  Icon_minitimeThu Jan 14, 2021 4:11 pm

Its coming up as a warning on the SS6900n only channels i can use is s- low then the SWR dont move i have another SWR meter i use most of the time but waiting for a soldering iron as a plug has come lose. But when i have a good day its coming down then getting moved up about another 4 foot i can check it then.
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Chefsdead
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Chefsdead


Call Sign : 26-CT-3891
Posts : 65
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Join date : 2020-11-30
QTH or Location : Doncaster
Equipment Used : CRT SS 6900N .. Yaesu ft450d
Age : 57

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PostSubject: Re: swr in the snow    swr in the snow  Icon_minitimeThu Jan 14, 2021 4:12 pm

What antenna do you use in the loft ?
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Victor
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PostSubject: Re: swr in the snow    swr in the snow  Icon_minitimeThu Jan 14, 2021 4:32 pm

No worries Michael.

I'm not fond of most 'built-in" SWR meters as they are usually innacurate, (some Ham gear have superb inbuilt SWR units but yet to see a good example in a CB radio), so worth checking with an external meter when you can to be certain.

Always worth checking an external antenna when you can also for the effects of weather and ageing.


My loft antenna won't suit everyone, it's a homemade Inverted V Dipole so fantastic for DX but completely useless for local work Wink

I hope you get everything sorted out.

All the best,
Victor

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PostSubject: Re: swr in the snow    swr in the snow  Icon_minitime

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