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 A dual purpose antenna

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SangueG
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SangueG


Call Sign : 26-CT-3971 / M7TDV
Posts : 309
Times Thanked : 17
Join date : 2021-01-30
QTH or Location : Cirencester, Gloucestershire
Equipment Used : SS6900N, Xiegu G90, DX-300 for SWL, all antennas home-made

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PostSubject: A dual purpose antenna   A dual purpose antenna Icon_minitimeThu Sep 30, 2021 8:53 pm

It's a Yagi and an arc welder...



I've had an RF burn from touching the end of end fed half wave before at just 8 watts. It was uncomfortable. I think touching the end of this one would be just a little more uncomfortable Shocked

GaryWilson, kilomike, Victor and 43CT016 like this post

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Victor
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Victor


Call Sign : 26-CT-3228 Ham M7VIC
Posts : 2498
Times Thanked : 170
Join date : 2019-11-10
QTH or Location : Bedford
Equipment Used : Various

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PostSubject: Re: A dual purpose antenna   A dual purpose antenna Icon_minitimeThu Sep 30, 2021 10:04 pm

Hopefully it's burned itself to resonance, SWR should be lower now! Very Happy Very Happy

Great find Neal. A dual purpose antenna 1f44d 



Got bit once, felt like a bite on the palm of my hand....bit sore and red mark later on....irritated all evening....few hours later there was a series of red dots/holes with blisters forming under them and it flipping killed! Kept me awake all night and looked a right mess the next morning. Took weeks to completely heal!!!

30 odd years later I still have the scars and marks on my palm! Shocked

Moral of the story.....don't let a CB mate key and read the SWR whilst you're adjusting the antenna.....he might find it funny to key-up whilst you're adjusting it!
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Alan Pilot
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Alan Pilot


Call Sign : 163-CT-220...MW7TTA
Posts : 1237
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Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.

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PostSubject: Re: A dual purpose antenna   A dual purpose antenna Icon_minitimeFri Oct 01, 2021 12:38 pm

How does this one work.
When i took my end-fed down i pushed the coax/pl259 up into the pole that my hf multiband vertical is on pole is only 3m long.
This coax is not connected to anything at all.
The other day i had been using the vertical for some hours on ft-8/ft-4.
I went out of the shack and no idea why but i pulled the coax out of the bottom of the pole.
Couldn't believe it the pl259 was hot not burning hot but quite warm.
???????????????????????????
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