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 Wire Dipole Antenna Question.

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Steve 26CT
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Steve 26CT


Call Sign : 26-CT-4550, G7NEO
Posts : 6
Times Thanked : 0
Join date : 2022-06-15
QTH or Location : Melton Mowbray
Equipment Used : CRT SS9900 and Alinco DX70
Age : 59

Wire Dipole Antenna Question. Empty
PostSubject: Wire Dipole Antenna Question.   Wire Dipole Antenna Question. Icon_minitimeThu Nov 16, 2023 6:24 pm

I am planning to install an 90ft horizontal HF dipole antenna in my back garden.  In order to keep it fairly simple I am thinking of using a single 6m aluminium pole at the bottom of the garden and then to attach the 2 ends to the house.  The concern I have is that in order to do this it would have an approximately 45-degree angle at the pole end so my question is would this affect the performance in anyway?  I want to avoid having to use 2 poles.

Any advice would be appreciated.

Kind Regards

Steve

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Alan Pilot
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Alan Pilot


Call Sign : 163-CT-220...
Posts : 2557
Times Thanked : 69
Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 15

Wire Dipole Antenna Question. Empty
PostSubject: Re: Wire Dipole Antenna Question.   Wire Dipole Antenna Question. Icon_minitimeFri Nov 17, 2023 6:30 am

My end-fed is setup like that and works well for me.
I read no less than 90 degree but gave it a go and never moved it again.
My thinking is try it and see.

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Victor
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Victor


Call Sign : 26-CT-3228 / M7VIC
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Wire Dipole Antenna Question. Empty
PostSubject: Re: Wire Dipole Antenna Question.   Wire Dipole Antenna Question. Icon_minitimeFri Nov 17, 2023 8:09 am

Hi Steve,

You can model, predict, plan or otherwise ask about antennas until you're blue in the face with multiple answers obtained and usually with negative connotations.

My best answer for you would be to sling it up and see how you get on.

Doesn't seem that "scientific" though does it? Wink

If I'd listened to all the advice I was/have been given about antennas I don't think I'd have ever got an antenna up! Yet with a tangle of lawn mower lead zig-zagging its way across my attic rafters and ladderline fed along with my homebrew ATU I'm working the world from 160m to 6m. Smile

Admittedly that's mostly with FT4/8 but I've had as little as 5W QRP signals reach far afield as Chile, Japan and New Zeland never having so much fun or sense of achievement whilst doing it. Doesn't seem to do too bad with 10W SSB signals either having fun on many of the bands including CB frequencies.

Often others call these sort of things 'compromise' antennas with the belief that's it's not worth doing but any antenna is definitely better than having no antenna at all. 

A horizontal V-dipole will 'model' as if having most of the signals being in the direction of the open end of the V but in the real world you will not notice such effects it definitely not being some sort of 'beam'. You'd be surprised that you'd be receiving signals from every direction and transmissions will have similar effect depending on the mercies of propagation. I used to think my East/West doublet would never bag me Africa and yet I've gained a few African countries for the log including South Africa.

When playing with any antenna arrangement don't fall into the trap of having bad propagation conditions and then blaming the antenna for it. You'll certainly be in it for the long haul to see how an antenna behaves and I'd reckon at least a year of operation before you really know. The best antenna won't pick up much when the prop is poor but the worst will pick up loads when propagation is good, so neither event gives you a good judgement.

Sorry for all the 'waffle' but as mentioned before (and I've just seen Alan suggest the same) it'd be best to give it a go and see how you fare. You may well be pleasantly surprised. Wire Dipole Antenna Question. 1f44d 



All the best,
Victor

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Alan Pilot
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Alan Pilot


Call Sign : 163-CT-220...
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Join date : 2019-11-19
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Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 15

Wire Dipole Antenna Question. Empty
PostSubject: Re: Wire Dipole Antenna Question.   Wire Dipole Antenna Question. Icon_minitimeFri Nov 17, 2023 9:31 am

My horizontal V end-fed has bagged me 177 country's in the last 3 years (3 years today Victor).
49.5k contacts mostly ft4/8 but some phone.
But they say less than 90 degrees won't work well at all ????.

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Steve 26CT
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Steve 26CT


Call Sign : 26-CT-4550, G7NEO
Posts : 6
Times Thanked : 0
Join date : 2022-06-15
QTH or Location : Melton Mowbray
Equipment Used : CRT SS9900 and Alinco DX70
Age : 59

Wire Dipole Antenna Question. Empty
PostSubject: Re: Wire Dipole Antenna Question.   Wire Dipole Antenna Question. Icon_minitimeFri Nov 17, 2023 8:28 pm

Thanks to everyone who has come back to me.  I will get the antenna installed.

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