- 1. Topband: Re: Planned 3D2 (Fiji) 1 person Ops - looking for advice (score: 1)
- Author: brianboschma <brianb@brianboschma.com>
- Date: Tue, 07 Dec 2004 20:25:13 -0800
- Gentlemen, As a newbie to top band I have some questions about ops from Fiji. I make an annual trip to do a bit of surfing on some of the spectacular reefs surrounding a 2 acre island. In years past
- /archives//html/Topband/2004-12/msg00127.html (8,236 bytes)
- 2. Re: Topband: 200pF HV-capacitor for shunt feeding (score: 1)
- Author: brianboschma <brianb@brianboschma.com>
- Date: Wed, 15 Dec 2004 21:00:47 -0800
- Coax is a transmission line, it has both series inductance and shunt capacitance and it has standing waves. Ignoring that effect is the same thing that causes trap calculators to have error. One meth
- /archives//html/Topband/2004-12/msg00215.html (9,636 bytes)
- 3. Re: Topband: The Forbidden Frequency (score: 1)
- Author: brianboschma <brianb@brianboschma.com>
- Date: Sun, 02 Jan 2005 20:21:46 -0800
- Bob Tellefsen wrote: Charles There is another possibility, at least mathematically. That is A+B=C, in this case 1830 kHz. For example 610 + 1220 = 1830. This is a classic intermod product. It would r
- /archives//html/Topband/2005-01/msg00021.html (9,426 bytes)
- 4. Re: [RTTY] Topband: Foam (score: 1)
- Author: "brian" <brianb@brianboschma.com>
- Date: Tue, 30 Oct 2007 15:46:01 -0500
- Hi Rick, A non conductive foam will alter the dielectric constant of the region in which it is applied. Try searching "dielectric lens or antenna", probably find an interesting set of data on the cha
- /archives//html/Topband/2007-10/msg00194.html (9,624 bytes)
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