- 1. Topband: Topband Takeoff Angles & ICEPAC (score: 1)
- Author: n6bv@arrl.org (R. Dean Straw)
- Date: Thu, 07 Mar 2002 09:05:24 -0800
- Pete: Thank you for the kind words concerning my elevation angle statistics from The ARRL Antenna Book. I am indeed skeptical of the computations for Topband. The 1.8 MHz frequency is too close to th
- /archives//html/Topband/2002-03/msg00062.html (9,534 bytes)
- 2. Topband: Shunt feed vs sloper (score: 1)
- Author: n6bv@arrl.org (R. Dean Straw)
- Date: Tue, 11 Sep 2001 07:54:45 -0700
- Bill: Concerning quarter-wave slopers: <snip> Plane for Modeling shows that this is true -- the Yagi acts like a top "counterpoise" for the sloping wire. Indeed, removing the tower from the model ess
- /archives//html/Topband/2001-09/msg00022.html (7,802 bytes)
- 3. Topband: Shunt feed vs sloper (score: 1)
- Author: n6bv@arrl.org (R. Dean Straw)
- Date: Tue, 11 Sep 2001 19:15:23 -0700
- Tom: This is very true -- in other words, "your mileage may vary" when trying quarter-wave slopers! 73, Dean, N6BV
- /archives//html/Topband/2001-09/msg00027.html (8,365 bytes)
- 4. Topband: Shunt feed vs sloper (score: 1)
- Author: n6bv@arrl.org (R. Dean Straw)
- Date: Wed, 12 Sep 2001 07:29:30 -0700
- I have received some good feedback about my posting concerning EZNEC files. These model a quarter-wave sloper on a tower, with a Yagi on the top as "counterpoise." I wanted to clarify several points:
- /archives//html/Topband/2001-09/msg00031.html (9,011 bytes)
- 5. Topband: Good soil vs bad soil (score: 1)
- Author: n6bv@arrl.org (R. Dean Straw)
- Date: Sat, 21 Oct 2000 16:07:47 -0700
- ZL3IX: W8JI: See the 19th Edition. 73, Dean, N6BV Senior Assistant Technical Editor, ARRL Editor, The ARRL Antenna Book -- FAQ on WWW: http://www.contesting.com/FAQ/topband Submissions: topband@conte
- /archives//html/Topband/2000-10/msg00143.html (7,123 bytes)
- 6. Topband: TOP HAT (score: 1)
- Author: n6bv@arrl.org (R. Dean Straw)
- Date: Tue, 22 Aug 2000 06:15:32 -0700
- Bill: The information you seek is in the 18th Edition of "The ARRL Antenna Book." See Chapter 6 (Low Frequency Antennas) starting on page 6-17 and going to page 6-24. Another good place for detailed
- /archives//html/Topband/2000-08/msg00082.html (6,957 bytes)
- 7. Re: [TowerTalk] [NCCC] Dielectric Constant of THHN (score: 1)
- Author: "Dean Straw" <n6bv@arrl.org>
- Date: Mon, 22 Oct 2007 15:23:28 -0700
- Jim: EZNEC Version 5 has a default value of 3.5 for PVC insulated wire's dielectric constant, with a loss tangent of 0.05. (In EZNEC Version 5, in the Wires dialog box, right click on the "Diel C" bo
- /archives//html/Topband/2007-10/msg00122.html (7,906 bytes)
This search system is powered by
Namazu