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1. Topband: From: John Kaufmann <vze1t9xc@verizon.net> (score: 1): Author: John Kaufmann <vze1t9xc@verizon.net>; Date: Wed, 12 Nov 2003 12:13:04 -0500; The "standard" version of EZNEC does not do ground wave calculations. However, EZNEC-PRO (the more expensive version) does have this option and when you enable it, you can see that antennas do have g; /archives//html/Topband/2003-11/msg00086.html (8,451 bytes)
2. Topband: Re: DX window (score: 1): Author: John Kaufmann <vze1t9xc@verizon.net>; Date: Tue, 30 Dec 2003 18:55:31 -0500; Actually split frequency operation works extremely well on 75m in contests. Europe transmits below 3750 and listens up in the US phone band. In contests nearly all my 75m contest contacts in Europe a; /archives//html/Topband/2003-12/msg00311.html (8,557 bytes)
3. Re: Re: Topband: Balun Discussions (score: 1): Author: John Kaufmann <vze1t9xc@verizon.net>; Date: Wed, 31 Dec 2003 16:55:19 -0500; You can actually see the impedance go through resonance at some frequency by connecting to an impedance analyzer and sweeping the frequency. Below resonance, the choking impedance increases with incr; /archives//html/Topband/2003-12/msg00339.html (9,113 bytes)
4. Topband: Yesterday's amazing JA opening (score: 1): Author: John Kaufmann <vze1t9xc@verizon.net>; Date: Fri, 16 Jan 2004 10:35:16 -0500; Nobody seems to have mentioned it here so I will. In the Northeast USA, we had an exceptional opening to JA around our sunrise yesterday morning local time (Thursday). I first got on just after 1130Z; /archives//html/Topband/2004-01/msg00144.html (8,563 bytes)
5. Re: Re: Topband: Notes on early JA to East Coast QSO's (score: 1): Author: John Kaufmann <vze1t9xc@verizon.net>; Date: Wed, 21 Jan 2004 10:29:14 -0500; Working JA from the east coast is NEVER easy. It's all about timing. With the exception of those few outstanding years I mentioned before, there are typically just a very few days each year when ther; /archives//html/Topband/2004-01/msg00185.html (8,317 bytes)
6. Topband: Comments on the Orion in the CQ160 contest (score: 1): Author: John Kaufmann <vze1t9xc@verizon.net>; Date: Mon, 26 Jan 2004 11:23:55 -0500; I had my first extended operating time with the new Orion in the CQ160 contest this past weekend. We had a two-radio multi-op setup at KC1XX, using K1GQ's new Orion as radio #2. (I have an Orion of m; /archives//html/Topband/2004-01/msg00242.html (10,496 bytes)
7. Re: Topband: VS6DO (score: 1): Author: John Kaufmann <vze1t9xc@verizon.net>; Date: Tue, 27 Jan 2004 16:34:04 -0500; That may partially explain why I was never able to work him! I heard VS6DO on many mornings back in the 1980's calling one CQ after another and not responding to any of the W1's (except occasionally; /archives//html/Topband/2004-01/msg00277.html (7,315 bytes)

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