Date: 18/06/2013 15:08:19
From: CrazyNeutrino
ID: 332265
Subject: Antenna Question

Can I co-phase 4 dipoles together in a star like pattern

how would I go about doing this?

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Date: 18/06/2013 17:19:30
From: Boris
ID: 332349
Subject: re: Antenna Question

what are you trying to achieve?

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Date: 18/06/2013 17:25:01
From: Boris
ID: 332351
Subject: re: Antenna Question

http://www.thornett.net/Rosliston_Archive_2009-11/html/cross_dipole_antenna.html

this is for connecting two dipoles at 90 degrees.

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Date: 18/06/2013 17:30:29
From: Divine Angel
ID: 332353
Subject: re: Antenna Question

Ah crap, I’m working tomorrow morning :(

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Date: 18/06/2013 17:33:57
From: Divine Angel
ID: 332355
Subject: re: Antenna Question

Ah crap, wrong thread :(

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Date: 18/06/2013 21:15:10
From: CrazyNeutrino
ID: 332559
Subject: re: Antenna Question

Boris said:


http://www.thornett.net/Rosliston_Archive_2009-11/html/cross_dipole_antenna.html

this is for connecting two dipoles at 90 degrees.

thanks for that

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Date: 18/06/2013 21:16:37
From: CrazyNeutrino
ID: 332561
Subject: re: Antenna Question

Boris said:


what are you trying to achieve?

just listening on 21 or 28 MHz

Reply Quote
Date: 19/06/2013 08:25:59
From: AussieDJ
ID: 332812
Subject: re: Antenna Question

CrazyNeutrino said:


Boris said:

what are you trying to achieve?

just listening on 21 or 28 MHz


Why not use a discone?

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Date: 19/06/2013 08:44:18
From: wookiemeister
ID: 332822
Subject: re: Antenna Question

you’d be better of talking to your local amateur radio association/ group in your local area or getting on their forums

antennae are funny things

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Date: 20/06/2013 00:38:40
From: AussieDJ
ID: 333226
Subject: re: Antenna Question

AussieDJ said:


CrazyNeutrino said:

Boris said:

what are you trying to achieve?

just listening on 21 or 28 MHz


Why not use a discone?


Or do you need to receive the signal/s from a particular direction?

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Date: 20/06/2013 00:44:00
From: sibeen
ID: 333227
Subject: re: Antenna Question

AussieDJ said:


AussieDJ said:

CrazyNeutrino said:

just listening on 21 or 28 MHz


Why not use a discone?


Or do you need to receive the signal/s from a particular direction?

muscles in on thread

Hey you lot, I’m the resident antenna expert around here!. I distinctly remember doing a module on antenna theory back in about ’79 or ’80.

wanders off

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Date: 20/06/2013 00:45:48
From: Stealth
ID: 333229
Subject: re: Antenna Question

sibeen said:


AussieDJ said:

AussieDJ said:

Why not use a discone?


Or do you need to receive the signal/s from a particular direction?

muscles in on thread

Hey you lot, I’m the resident antenna expert around here!. I distinctly remember doing a module on antenna theory back in about ’79 or ’80.

wanders off


Antenna theory has change a lot over the years old timer. Most of it is wireless now.

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Date: 20/06/2013 00:50:16
From: sibeen
ID: 333230
Subject: re: Antenna Question

Fucking Yagi- Uda, so there.

wanders off, muttering to himself

Reply Quote
Date: 20/06/2013 01:33:07
From: AussieDJ
ID: 333233
Subject: re: Antenna Question

sibeen said:


Fucking Yagi- Uda, so there.

wanders off, muttering to himself




That’s a big antenna at 21 or 28MHz. Go for a discone. .
The OP is only listening, so even a long wire will do the job..

Reply Quote
Date: 20/06/2013 05:51:19
From: roughbarked
ID: 333240
Subject: re: Antenna Question

AussieDJ said:


sibeen said:

Fucking Yagi- Uda, so there.

wanders off, muttering to himself




That’s a big antenna at 21 or 28MHz. Go for a discone. .
The OP is only listening, so even a long wire will do the job..


A friend of mine just ran a wire. He gets all the listening he needs.

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