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21. RE: Topband: BCS Clone 80m trap problem (score: 1): Author: "Joe Subich, K4IK" <k4ik@subich.com>; Date: Sat, 13 Nov 2004 11:33:15 -0500; I think that part of the problem is that there is no longer a commercial source of high quality traps. As far as I can tell, the only relatively decent traps in recent memory were by Reyco. Those hav; /archives//html/Topband/2004-11/msg00135.html (9,234 bytes)
22. RE: Topband: High pass Filters (score: 1): Author: "Joe Subich, K4IK" <k4ik@subich.com>; Date: Fri, 26 Nov 2004 16:08:51 -0500; via WX0B at Array Solutions ... www.arraysolutions.com 73, ... Joe, K4IK _______________________________________________ Topband mailing list Topband@contesting.com http://lists.contesting.com/mailm; /archives//html/Topband/2004-11/msg00231.html (7,392 bytes)
23. RE: Topband: Triple slopers (score: 1): Author: "Joe Subich, K4IK" <k4ik@subich.com>; Date: Mon, 6 Dec 2004 11:37:35 -0500; Bill, I wonder if the triple sloper systems aren't acting as a very sparse discone? If so, improvements could be made by adding additional sloping (skirt) wires and detuning the tower below the attac; /archives//html/Topband/2004-12/msg00105.html (8,046 bytes)
24. RE: Topband: T-antenna (score: 1): Author: "Joe Subich, K4IK" <k4ik@subich.com>; Date: Wed, 26 Jan 2005 11:22:50 -0500; David, There are several considerations for a T antenna vs. inverted L. 1) the horizontal section of a T antenna is about 50% longer than the horizontal section for an inverted L when the vertical se; /archives//html/Topband/2005-01/msg00295.html (8,146 bytes)
25. RE: Topband: Another DXpedition 160 Vertical Idea (score: 1): Author: "Joe Subich, K4IK" <k4ik@subich.com>; Date: Thu, 27 Jan 2005 22:55:27 -0500; On the other hand, NBS had to install radials under the half wave verticals (center fed) at WWVH. There was too much ground loss without the radials. 73, ... Joe, K4IK ______________________________; /archives//html/Topband/2005-01/msg00309.html (7,978 bytes)
26. RE: Topband: Top Loading of Shunt-fed Tower (score: 1): Author: "Joe Subich, K4IK" <k4ik@subich.com>; Date: Wed, 9 Feb 2005 16:41:36 -0500; Jerry, There is a concern for the matching transformer/balun if you operate the SteppIR with the elements (driven element) extended. depending on the driven element length, tower height, etc. the bal; /archives//html/Topband/2005-02/msg00125.html (8,297 bytes)
27. RE: Topband: Top Loading of Shunt-fed Tower (score: 1): Author: "Joe Subich, K4IK" <k4ik@subich.com>; Date: Thu, 10 Feb 2005 23:44:18 -0500; Tom, SteppIR uses a shielded control cable. If your tower is grounded at the base (shunt fed) and you bring the cable completely to the bottom of the tower, the only real concern would be to tie the; /archives//html/Topband/2005-02/msg00143.html (8,838 bytes)
28. Re: Topband: Edition 4 of Low Band DX-ing book. (score: 1): Author: "Joe Subich, K4IK" <k4ik@subich.com>; Date: Mon, 4 Apr 2005 18:22:39 -0400; It looks like Radio Bookstore (W1QX) has it for $45.90 ($39.95 plus $5.95 s&h) ... mine was preordered so I don't know if Craig is using book rate shipping to further reduce the cost. 73, ... Joe, K; /archives//html/Topband/2005-04/msg00032.html (7,249 bytes)
29. Re: Topband: Franklin antenna. & 1/2 wave verticals. (score: 1): Author: "Joe Subich, W4TV" <k4ik@subich.com>; Date: Fri, 13 Jan 2006 18:16:12 -0500; Remember, the skin depth of the ground gets progressively less as one moves up in frequency. At 40 meters you seem a much smaller VOLUME of lossy ground. The ground losses should be lower on 40, the; /archives//html/Topband/2006-01/msg00211.html (8,087 bytes)
30. Re: Topband: RM-11306 [IS} a World-Wide Problem (score: 1): Author: "Joe Subich, W4TV" <k4ik@subich.com>; Date: Fri, 13 Jan 2006 18:27:07 -0500; I agree with Dave. Unfortunately, the ARRL proposal is flawed in more ways that just the lack of narrow band allocation on 160 meters. We've suffered through the "gentlemen's agreements" and "Volunta; /archives//html/Topband/2006-01/msg00212.html (9,074 bytes)

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