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1. Topband: 4. MFJ noise canceller (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Sun, 08 Dec 2002 18:11:13 -0500; Hi Top Banders.... I've removed the hi-pass filters in my MFJ-1025 as described on WA1ION's site. I did a quick measurement on 1800 khz and it seems that the main channel is only down about 1 db. The; /archives//html/Topband/2002-12/msg00116.html (7,039 bytes)
2. Topband: Titanex Antennas (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Wed, 24 Oct 2001 06:46:24 -0400; Has anyone on the list purchased an antenna from Titanex. How long did it take to arrive? How was it shipped? Was it shipped by DANZAS? 43 days and waiting. 73, Roger; /archives//html/Topband/2001-10/msg00200.html (6,124 bytes)
3. Topband: Dual band array (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Tue, 16 Jan 2001 21:23:52 -0500; I've been contemplating an 80m 4 square for a couple of years. Been playing with all the modelling programs. It appears that the high angle lobe off the back can be reduced by either changing the dri; /archives//html/Topband/2001-01/msg00171.html (7,398 bytes)
4. Topband: Wideband Noise on 160 (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Tue, 26 Dec 2000 21:00:16 -0500; Hi Ford.... For 8 years I lived beside a 12kv 3 phase power line that was very noisy. Looking at a scope connected to the 940's IF output, I could see that the noise came in two varieties. First was; /archives//html/Topband/2000-12/msg00145.html (8,194 bytes)
5. Topband: Mystery 160 meter cw beacons. (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Sun, 04 Apr 1999 08:05:18 -0400; These are beacons that fishermen use to keep track of their drift nets. I have no info about the legality of these beacons but their use seems to be widespread. 73, Roger P.S. The second beacon menti; /archives//html/Topband/1999-04/msg00021.html (7,208 bytes)
6. TopBand: Adice? Wire mesh radials (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Tue, 23 Feb 1999 17:51:44 -0500; If you use "chicken wire" try to get the "galvanized after weaving" type. It's not as common as the "galvanized before weaving" type but is much better as the twisted wire crossings are firmly connec; /archives//html/Topband/1999-02/msg00124.html (7,582 bytes)
7. Topband: Astron noise (score: 1): Author: Roger D Johnson <n1rj@pivot.net>; Date: Sun, 28 Sep 2003 07:28:06 -0400; I did a pre-DX season noise finding survey of my house recently. One strong source I thought was power line noise turned out to be an Astron RS-12A power supply I have across a 12 volt battery used t; /archives//html/Topband/2003-09/msg00132.html (6,607 bytes)
8. Re: Topband: MFJ-1026 noise canceller (score: 1): Author: Roger D Johnson <n1rj@pivot.net>; Date: Tue, 30 Dec 2003 10:12:28 -0500; Jim McDonald wrote: Any opinions on the MFJ-1026 noise canceller? Fast enough TR switching for QSK? TR switching relay noise? I tried a JPS ANC-04 and didn't like it, primarily due to the fixed (via; /archives//html/Topband/2003-12/msg00285.html (7,910 bytes)

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