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Re: [TenTec] New Jupiter on its Way _ A Few Questions

To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
Subject: Re: [TenTec] New Jupiter on its Way _ A Few Questions
From: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Fri, 25 Apr 2014 23:22:08 +0200
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Lee, 20-10m is a piece of cake for a magnetic loop antenna.
May I suggest we take this off line - rick@dj0ip.de 

73 - Rick, DJ0IP
(Nr. Frankfurt am Main)


-----Original Message-----
From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Lee
Sent: Friday, April 25, 2014 8:17 PM
To: Discussion of Ten-Tec Equipment
Subject: Re: [TenTec] New Jupiter on its Way _ A Few Questions

On Apr 25, 2014 9:51 AM, "Rick - DJ0IP / NJ0IP" <Rick@dj0ip.de> wrote:
>
> STOP!
> ISOTRON IS NOT A MAGNETIC LOOP.
> It is an electrical antenna just like normal wire antennas.  It won't 
> work indoors. PERIOD
>
> Perhaps I chose the wrong name for it, but it works off of the 
> electrical component, not the magnetic component of the signal.  It 
> will have the
same
> trouble with house QRN as all of your present antennas.
>

Thanks for saving me the trouble, Rick!

> I suggest you try it as a Receive-Only antenna first.
> That way you don't have to worry about losses or anything like that.

Yes, that's all I care about. The dipole gets out surprisingly well.

> It is very easy to build one yourself.
>
> Which band or bands are you interested in?
>
> I had an uncle (now SK) who had to go into assisted living and could 
> have
no
> outdoor antenna.
> He really missed checking daily into his Kadiddlehoppers' net on 40m.
> While visiting home (Oklahoma) one year, I learned of that and built 
> him a 40m magnetic loop, using only wood and coax.
> With that and his TS-120, he was able to check in daily to his 40m SSB
net.
> See: http://www.dj0ip.de/my-favorite-antennas/old-folks-antenna/
> Of course it would have been better if I had had a variable capacitor,
but I
> couldn't find one locally, so I just improvised.  My uncle was a happy 
> camper!
>
> For receive only, all you need is the big loop, little loop, and any 
> variable capacitor with enough capacitance.
> The spacing on the capacitor is not important.  Important is "how you
build
> the smaller loop".   Many examples found on the Internet are wrong.
>
> Which band or bands are you interested in?

20- 10M.
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