On Sun, 18 Apr 2004 15:45:13 +0100, "M3" *** wrote:

K1SWR wrote:
How about the isotron antenna. take a look at:
www.rayfield.net/isotron

Sounds ideal, any one used/using one do they really work. I'm only looking
to work local not really bothered with DX as such.

Cheers all for your replies so far.

I used an isotron 160 antenna for a short time. Working local stations
it worked great but I was never able to work any DX.

Edward Lewis wrote:
I used an isotron 160 antenna for a short time. Working local stations
it worked great but I was never able to work any DX.

I'll bet most of your radiation was from your feedline.
--
73, Cecil http://www.qsl.net/w5dxp



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I'll bet most of your radiation was from your feedline.
--
73, Cecil

But it worked, didn't it!

On Sun, 18 Apr 2004 17:54:39 +0000 (UTC), "Reg Edwards"
wrote:

I'll bet most of your radiation was from your feedline.
--
73, Cecil

But it worked, didn't it!

Why doesn't someone write a book on radiating feedlines? They'd be a
heck of a lot easier to put up than antennas :-)

Bob
k5qwg

Bob Miller wrote:
Why doesn't someone write a book on radiating feedlines? They'd be a
heck of a lot easier to put up than antennas :-)

A 1/2WL dipole is an open-circuit radiating feedline
complete with reflections. :-) From Balanis: "The current
and voltage distributions on open-ended wire antennas are
similar to the standing wave patterns on open-ended
transmission lines." Wasn't the original Gap antenna
simply a leaky transmission line?
--
73, Cecil http://www.qsl.net/w5dxp



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Reg Edwards wrote:

I'll bet most of your radiation was from your feedline.

But it worked, didn't it!

Pity the poor ham who puts an Isotron on a ten foot pole
for field day.
--
73, Cecil http://www.qsl.net/w5dxp



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Cecil Moore wrote in message ...
Reg Edwards wrote:

Pity the poor ham who puts an Isotron on a ten foot pole
for field day.

And the same pays for the EH antenna, see
http://home.earthlink.net/~calvinf15...est_report.pdf

73 Ivan OK1SIP