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1. [TowerTalk] Cush 40 Trap Upgrade (score: 1): Author: leeson@ix.netcom.com (Leeson); Date: Fri, 05 Dec 1997 11:45:23 -0800; Improving the Cushcraft 40-2CD Loading Coils The Cushcraft 40-2CD uses 4 loading coils, which they call LCA (Loading Coil Assembly). I had one that had burned out, and when I fixed it, I found a much; /archives//html/Towertalk/1997-12/msg00125.html (11,332 bytes)
2. [TowerTalk] Re: Line Noise Help (score: 1): Author: leeson@ix.netcom.com (Leeson); Date: Fri, 05 Dec 1997 12:18:18 -0800; I too have had longstanding line noise problems, made worse by the fact that I can see a long way from a hilltop location. Our local power utility, Pacific Gas & Electric, has been sued and has paid; /archives//html/Towertalk/1997-12/msg00127.html (9,007 bytes)
3. [TowerTalk] Simple Dipoles (score: 1): Author: leeson@ix.netcom.com (Leeson); Date: Wed, 10 Dec 1997 14:42:17 -0800; For a broadband dipole, try feeding with 1 wavelength of 50 ohm coax and 1/4 wavelength of 75 ohm coax. Connect 50 ohm coax to dipole, connect quarter wave section to other end of 50 ohm section, con; /archives//html/Towertalk/1997-12/msg00210.html (7,743 bytes)
4. [TowerTalk] More 4 TH6'S (score: 1): Author: leeson@ix.netcom.com (Leeson); Date: Mon, 15 Dec 1997 10:43:14 -0800; Stacking different-frequency monobanders isn't as easy as it seems. If the monobanders are too close, it's awfully easy to end up with less, rather than more, performance than a good tribander. On th; /archives//html/Towertalk/1997-12/msg00360.html (8,044 bytes)
5. [TowerTalk] More 4 TH6'S (score: 1): Author: leeson@ix.netcom.com (Leeson); Date: Mon, 15 Dec 1997 23:07:54 -0800; Gerald, W5BA, asked There are several schools of thought on spacing of close-stacked Yagis for different bands. I had a 12' stack with the 10m in the middle, and it wasn't very good on 10. When I mod; /archives//html/Towertalk/1997-12/msg00370.html (10,599 bytes)
6. [TowerTalk] Radials, resonance and the MFJ259 (score: 1): Author: leeson@ix.netcom.com (Leeson); Date: Thu, 18 Dec 1997 08:46:07 -0800; I would guess that antennas that don't have a dc short across the feedpoint (such as a beta match) feed a lot of AM broadcast signal into the SWR bridge. I had the same problem trying to tune a 10m Y; /archives//html/Towertalk/1997-12/msg00429.html (11,011 bytes)
7. [TowerTalk] Radials, resonance and the MFJ259 (score: 1): Author: leeson@ix.netcom.com (Leeson); Date: Thu, 18 Dec 1997 11:25:51 -0800; A last comment... Pat, AA6EG, raises a question about SWR bridges and transmission lines. If an SWR bridge had perfect directivity and was insensitive to the actual impedance level (ideal, but not re; /archives//html/Towertalk/1997-12/msg00437.html (9,971 bytes)
8. [TowerTalk] Rotator problem solved (score: 1): Author: leeson@ix.netcom.com (Leeson); Date: Mon, 03 Nov 1997 09:01:22 -0800; Hi, Chris, you need a non-polarized cap to handle ac without deteriorating (the juice will evaporate on the reverse cycle in a polarized standard electrolytic). However, there's an easy fix: Use two; /archives//html/Towertalk/1997-11/msg00057.html (7,882 bytes)
9. [TowerTalk] Wideband 80 & 40 dps (score: 1): Author: leeson@ix.netcom.com (Leeson); Date: Wed, 26 Nov 1997 10:56:36 -0800; There's an interesting method of broadbanding antennas mentioned in various ARRL publications by Frank Witt, AI1H. It uses the transmission line length you are going to need anyway to match at two fr; /archives//html/Towertalk/1997-11/msg00695.html (9,348 bytes)

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