- 1. Topband: Rhombics (score: 1)
- Author: "Rudy Severns" <rseverns@gmail.com>
- Date: Fri, 26 Jul 2013 10:40:04 -0700
- People tend to forget that rhombics were originally used for point-to-point communications with fixed azimuths and distances. While the gain was nice the real utility was the broadband character of t
- /archives//html/Topband/2013-07/msg00075.html (6,943 bytes)
- 2. Topband: Tree conductivity (score: 1)
- Author: "Rudy Severns" <rseverns@gmail.com>
- Date: Fri, 2 Aug 2013 11:12:36 -0700
- Some time ago I attempted to make direct measurements of the HF conductivity of trees, at least for the trunk and limbs. I simply put a two rings, with nails to penetrate through the bark, around the
- /archives//html/Topband/2013-08/msg00008.html (7,729 bytes)
- 3. Topband: tree losses (score: 1)
- Author: "Rudy Severns" <rseverns@gmail.com>
- Date: Sun, 4 Aug 2013 14:39:52 -0700
- Tom's correct, the issue is not "resonance" but rather what, if anything, happens when you have a so-so conductor/insulator (a tree) in the near-field and/or further out. Do the losses matter? Perfor
- /archives//html/Topband/2013-08/msg00020.html (6,896 bytes)
- 4. Topband: transmitting beverages (score: 1)
- Author: "Rudy Severns" <rseverns@gmail.com>
- Date: Mon, 5 Aug 2013 15:22:31 -0700
- In ancient times I was an A-team radio operator. We tried many experiments including the very low long wire. It worked but the range was very limited. 73, Rudy N6LF _________________ Topband Reflecto
- /archives//html/Topband/2013-08/msg00062.html (6,491 bytes)
- 5. Re: Topband: tree losses (score: 1)
- Author: "Rudy Severns" <rseverns@gmail.com>
- Date: Mon, 5 Aug 2013 15:09:12 -0700
- That's what we need, real data. Expand the experiment and see what we can learn. While I feel that our data on the subject is pretty thin and I'm not about to make any pronouncements I'm still quite
- /archives//html/Topband/2013-08/msg00063.html (8,316 bytes)
- 6. Topband: AutoEZ (score: 1)
- Author: "Rudy Severns" <rseverns@gmail.com>
- Date: Fri, 20 Sep 2013 10:26:11 -0700
- I've had the privilege to beta test the latest version of AutoEZ with the optimizer. It's really a neat piece of software for antenna modeling. 73, Rudy N6LF _________________ Topband Reflector
- /archives//html/Topband/2013-09/msg00289.html (6,167 bytes)
- 7. Topband: 4NEC2 and AutoEZ (score: 1)
- Author: "Rudy Severns" <rseverns@gmail.com>
- Date: Sat, 21 Sep 2013 09:20:55 -0700
- 4NEC2 is a great piece of software and I recommend it regularly, certainly the price is right. But AutoEZ is different. If you have EZNEC then AutoEZ provides a extensive toolbag for modeling which g
- /archives//html/Topband/2013-09/msg00309.html (6,555 bytes)
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