[DX] Rotary Dipole for 80 meters

Fri, 12 Apr 2002 21:15:18 +0200

I want to buy a single rotary dipole for 80 meters, thinking about
Force-12, Titanex, Cushcraft, KLM or other manufacturers. If you have
any experience with these kind of antennas let me know, preferable with
a web-site of the manufacturer.

Force-12 has 3 models EF-180S, 180B and 180C, who has used one of these
before? I have used one at VP5JM's QTH in 1995, I don't know the model
but remember that one worked fine.

If you have any information please answer me directly. 

73
Rob Snieder [email protected]

Cocos Island DX-pedition 2002 http://www.qsl.net/ti9m

LLDXT http://www.qsl.net/lldxt

PI4COM http://www.muurkrant.com/pi4com

-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Richard Thorne
Sent: Friday, April 12, 2002 20:47
To: John Geiger
Cc: [email protected]; [email protected];
[email protected]
Subject: Re: [DX] Yagi height and DX

John:

40' would be an improvement.  A 1/2 wavelength on 20m is around 33' give
or take.  So 40' would help quite a bit.

If you don't like the tower idea becasue of climbing ect, look at the
hazer systems.  I think 40 to 50 feet is perfect for that system.  Or
maybe one of the tubular type crank up tilt over towers.

As far as antennas you won't go wrong with a F12 C3 or one of the shorty
C3's.  I have the C3 and it works great.  I don't think the performance
can be beat for its size.  F12 has recently come out with the XR5 which
is a C3 with 12 and 17 meters included.

GL

John Geiger wrote:

> I am currently using a Cushcraft MA5B mounted on a
> tripod on top of a one story house-approximately 20
> feet off the ground.  This antenna has worked well,
> but I am wondering if I am hitting the performance
> plateau with it.  I have 294 worked, including 4 new
> ones this year-JD1o, PW0T, VP6DI, and XW0X.
>
> It seems that I am not hearing so well, though.  Last
> night several 5 land stations reported SV2ASP/A as Q5
> on 20 meter SSB, but I could not hear a thing.  Also
> could not hear VK9L on 15 ssb that other stations were
> putting on the reflector.
>
> I plan on replacing the MA5B with a full size
> tribander right after the KH1 dxpedition.  WOuld like
> to do it before,but need to make sure I have something
> up for that station.  HERE IS MY QUESTION:  WOuld
> getting a tower and going to 40 feet make a hugh
> difference over 20 feet?  Is it worth the trouble of
> getting a tower and putting it up (do not look forward
> to this).  Will that extra 20 feet allow me to hear
> THAT much better?
>
> Figured I would get some profession opinions before
> jumping into anything.  WOuld have to sell some gear
> that I like to get the tower also.
>
> 73s John NE0P
>
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--
Richard Thorne
Advo Companies, Inc.
806-342-0600

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