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41. Re: Topband: High pass Filters (score: 1): Author: "Don K5AQ" <donhall@myriad.net>; Date: Sun, 28 Nov 2004 17:20:49 -0600; My best high pass filter is a 7-section built from the October, 1983 QST article by John Webb, W1ETC. It helps get rid of WTAW about a mile away which is on 1620 with 10KW dayswhen I want to measure; /archives//html/Topband/2004-11/msg00247.html (8,723 bytes)
42. Re: Topband: buried radial problems. (score: 1): Author: "Don K5AQ" <donhall@myriad.net>; Date: Sun, 19 Dec 2004 20:18:25 -0600; Enzo, I have a similar situation with a BC station on 1620 about 2km away. I use the MFJ-731 SWR Analyzer Filter to help me find the resonance of the vertical to a first degree. Then I use my rig and; /archives//html/Topband/2004-12/msg00259.html (7,494 bytes)
43. Topband: Conditions (score: 1): Author: "Don K5AQ" <donhall@myriad.net>; Date: Tue, 1 Feb 2005 07:29:58 -0600; I have read several posts to the effect that good condtions to Europe one evening either do not correlate with good conditions to Asia or mean bad conditions the next morning here. Last night very st; /archives//html/Topband/2005-02/msg00007.html (6,614 bytes)

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