- 1. Topband: Help Needed Decoupling the TX Antenna (score: 1)
- Author: Eric Rosenberg <ericrosenberg.dc@gmail.com>
- Date: Wed, 10 Mar 2010 00:15:52 -0500
- My noisy urban lot is small (40x140), and the Pennants are awfully close to the TX antenna. (inv-l's on 160 and 80, 1/2 square on 40). I need to decouple the TX antenna when listening on the Pennants
- /archives//html/Topband/2010-03/msg00055.html (7,044 bytes)
- 2. Re: Topband: Help Needed Decoupling the TX Antenna (score: 1)
- Author: Herb Schoenbohm <herbs@vitelcom.net>
- Date: Wed, 10 Mar 2010 12:32:14 -0400
- uired. Some have reported success with inexpensive automotive DC relays. They can handle the current but for TX voltage I haven't any idea...as it all depends on your feed/match system. Good luck, He
- /archives//html/Topband/2010-03/msg00057.html (8,587 bytes)
- 3. Re: Topband: Help Needed Decoupling the TX Antenna (score: 1)
- Author: py2xb <py2xb@integral.com.br>
- Date: Wed, 10 Mar 2010 17:47:25 -0300
- Eric Check N4IS web page. He has decoupled his 160m vertical. A local fellow here reported decrease of 4(four) S units on his flag noise by decopling his 160m inverted V. He used two vacum relays and
- /archives//html/Topband/2010-03/msg00060.html (7,883 bytes)
- 4. Re: Topband: Help Needed Decoupling the TX Antenna (score: 1)
- Author: "n4is" <n4is@bellsouth.net>
- Date: Wed, 10 Mar 2010 16:02:12 -0500
- Hi Eric Any wire close to 1/2 wave or a 1/4 grounded need to be detuned. The way to do it is to split them in 1/4 wave segments. Even two 1/4 wires grounded in one point become 1/2 if not properly gr
- /archives//html/Topband/2010-03/msg00063.html (9,923 bytes)
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