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1. Topband: Quarter wavelength stub as trap (score: 1)
Author: "ik2bcp - Guido Tedeschi" <guido.ted@tin.it>
Date: Sat, 9 Apr 2005 01:08:10 +0200
Good night from Italy. What do you think about using a quarter wavelength shorted stub, made with coaxial cable, as trap for an 80m + 160m inverted L? 15.6m of RG213, shorted at one end, will block 8
/archives//html/Topband/2005-04/msg00094.html (7,615 bytes)

2. Re: Topband: Quarter wavelength stub as trap (score: 1)
Author: "ik2bcp - Guido Tedeschi" <guido.ted@tin.it>
Date: Sat, 9 Apr 2005 11:52:31 +0200
Thanks a lot to all for the very quick answers! It is clear that the stub is a very bad trap and can be useful only for some filtering... I visited Tom's website and I read his very insteresting arti
/archives//html/Topband/2005-04/msg00097.html (7,544 bytes)

3. Re: Topband: trap inv-l (score: 1)
Author: "ik2bcp - Guido Tedeschi" <guido.ted@tin.it>
Date: Mon, 11 Apr 2005 01:06:33 +0200
The open sleeve is an interesting thing to try, because, varying the spacing, you can also control the impedance of the 80m antenna and make it similar to the one you have on 160m. If the bandwidth n
/archives//html/Topband/2005-04/msg00108.html (7,730 bytes)

4. Re: Topband: Software defined radio receiver for 160m (score: 1)
Author: "ik2bcp - Guido Tedeschi" <guido.ted@tin.it>
Date: Tue, 14 Mar 2006 22:51:40 +0100
Hi Steve and Topbanders, Winrad has been released. It has been developed by i2phd for EME and that's fine also for 160m. Go to www.winrad.org 73 de Guido, ik2bcp _____________________________________
/archives//html/Topband/2006-03/msg00113.html (6,702 bytes)

5. Re: Topband: Help for Preamplifier (score: 1)
Author: "ik2bcp - Guido Tedeschi" <guido.ted@tin.it>
Date: Fri, 24 Mar 2006 01:05:57 +0100
I'm very satisfied with w7iuv preamplifier: http://w7iuv.com/preamp.jpg 73 de Guido, ik2bcp _______________________________________________ Topband mailing list Topband@contesting.com http://lists.co
/archives//html/Topband/2006-03/msg00179.html (7,523 bytes)

6. Re: Topband: Help for Preamplifier (score: 1)
Author: "ik2bcp - Guido Tedeschi" <guido.ted@tin.it>
Date: Sat, 25 Mar 2006 13:53:46 +0100
Hi Petr, sorry for the delay, but I wanted to publish a small web page with few pictures to show you my "ugly" construction... Look at: http://www.hamlan.org/tech/w7iuvpreamp/ Using a 2N5109, with 12
/archives//html/Topband/2006-03/msg00188.html (8,523 bytes)

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