- 1. Re: Topband: "T" (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Thu, 9 Oct 2008 10:41:37 -0400
- I have a "T" antenna that consists of 65 feet of aluminum tower and mast, and about 140 feet total of top hat wire. So, in my case, the vertical part plus half the top hat add to approximately a quar
- /archives//html/Topband/2008-10/msg00056.html (7,422 bytes)
- 2. Re: Topband: Announcing 2009 CQWW 160 contest (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Wed, 15 Oct 2008 23:00:26 -0400
- The following comments are really only relevent to the Eastern US. I'm going to miss those two hours (2200Z to 2400Z). They were always a fun in a "last chance" sort of way. I always pick up a couple
- /archives//html/Topband/2008-10/msg00108.html (7,170 bytes)
- 3. Re: Topband: Stew Perry (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Fri, 17 Oct 2008 22:24:36 -0400
- Both are correct! This weekend is the Stew Perry "Warm-Up" event, while in December is the regular Stew Perry test. So, I'll see you on this weekend and in December :-) Victor, K1LT _________________
- /archives//html/Topband/2008-10/msg00116.html (6,542 bytes)
- 4. Topband: Stew Perry Warm-Up (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Sun, 19 Oct 2008 14:39:16 -0400
- After the contest was over, I like to do a little "ego-surfing" by looking to see how many times I was spotted on the spotting networks. However, this time I was a bit disturbed to see more spots fro
- /archives//html/Topband/2008-10/msg00126.html (7,897 bytes)
- 5. Re: Topband: Center fed beverage transformer (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Thu, 23 Oct 2008 15:31:33 -0400
- Do build a center-fed Beverage, one needs to start with a two-wire Beverage. The difference is that one places reflection transformers at both ends of the Beverage. At the center (actually, any arbi
- /archives//html/Topband/2008-10/msg00142.html (8,368 bytes)
- 6. Re: Topband: Beverage antenna ground (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Thu, 30 Oct 2008 23:51:18 -0400
- I have found that here in Ohio nothing works better than a 2 foot long aluminum rod (ground stakes from surplus antenna mast kits). That is, I've used longer ground rods, but I can't tell that they m
- /archives//html/Topband/2008-10/msg00174.html (8,074 bytes)
- 7. Re: Topband: Beverage Orientation (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Fri, 31 Oct 2008 09:09:25 -0400
- Now I'll try to appear smart by showing you what to do to calculate how to place your antenna, but I'll make a dumb mistake and embarrass myself. But I'll do it anyway :-) Start at the NW end of your
- /archives//html/Topband/2008-10/msg00178.html (8,321 bytes)
- 8. Re: Topband: Phased Verticals (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Wed, 5 Nov 2008 13:38:50 -0500
- The pattern you get is mostly dependent upon how much current you force into each vertical, and their physical arrangement. There is little dependency on the length of the vertical or whether or not
- /archives//html/Topband/2008-11/msg00046.html (8,248 bytes)
- 9. Re: Topband: reversible Beverage v none reversible Beverage (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Sat, 8 Nov 2008 18:57:19 -0500
- I have 6 "center-fed" 2-wire, 2-port Beverages which have reflection transformers (or the equivalent) at both ends. They work very well in terms of directivity and deliver plenty of signal. I would s
- /archives//html/Topband/2008-11/msg00066.html (9,691 bytes)
- 10. Re: Topband: reversible Beverage v none reversible Beverage (answers) (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Sat, 15 Nov 2008 22:05:59 -0500
- It doesn't increase the impedance that much. I use 9 inch spacing of #14 wires which comes out with a couple ohms of 675 ohms, which is a nice 9:1 match to 75 ohm RG6. A 450 ohm to 700 ohm mismatch i
- /archives//html/Topband/2008-11/msg00097.html (8,284 bytes)
- 11. Re: Topband: Inverted L Tuning Question (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Thu, 4 Dec 2008 21:15:13 -0500
- Don't connect it to the tower ground, unless you disconnect or detune the tower. Lay out a dozen radials, as long as you can make them. Shorten your L a bit or, better, put a series capacitor in line
- /archives//html/Topband/2008-12/msg00043.html (7,887 bytes)
- 12. Re: Topband: Inverted L Tuning Question (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Thu, 4 Dec 2008 21:17:13 -0500
- I didn't read very well. Maybe you are in the equivalent of a salt water marsh. For efficiency, the way to tell that you have enough radials is when adding radials doesn't change the base impedance
- /archives//html/Topband/2008-12/msg00044.html (7,547 bytes)
- 13. Re: Topband: Softrock SDR (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Thu, 1 Jan 2009 19:06:13 -0500
- David: I was hoping someone would be able to post a link. I believe you are referring to an article in RadCom? I don't know of any on-line availability of that article, although I'd like to see it m
- /archives//html/Topband/2009-01/msg00005.html (7,345 bytes)
- 14. Re: Topband: SDR on 160M (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Mon, 5 Jan 2009 09:23:06 -0500
- Jim: I've been using the Softrocks (or my own derivatives) almost exclusively for all of my 160 meter receiving activity for the past couple of years, including the major contests. Look at k1lt.com a
- /archives//html/Topband/2009-01/msg00030.html (6,774 bytes)
- 15. Topband: Improving the Fabulous CQ 160 Contest (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Tue, 6 Jan 2009 21:26:20 -0500
- For the 2010 edition of CQ 160 contest, I propose the following changes as followons to the 2009 changes: 1. Make the exchange 59(9) grid where "grid" is 4 character Maidenhead grid square, a-la the
- /archives//html/Topband/2009-01/msg00036.html (7,036 bytes)
- 16. Re: Topband: Improving the Fabulous CQ 160 Contest (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Wed, 7 Jan 2009 09:16:09 -0500
- To clarify my suggestions about the CQ 160 test: I think 4 character grid squares are enough, since typical QSO distances on 160 are much greater than typical (but not every) QSO distances on VHF. I
- /archives//html/Topband/2009-01/msg00042.html (8,945 bytes)
- 17. Topband: Interesting 160 Meter QSO (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Wed, 7 Jan 2009 09:21:35 -0500
- Last year during the CQ 160 CW, a friend of mine came to my station to operate a couple of the hours that start with 09 and 10 while I snoozed. He logged RV6CC at 1013Z, which is about 1.5 hours past
- /archives//html/Topband/2009-01/msg00044.html (6,972 bytes)
- 18. Re: Topband: 2-wire Beverage (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Thu, 8 Jan 2009 09:07:57 -0500
- Whether you use a reflection transformer or not wouldn't have anything to do with the uniformity of the impedance along the length of the Beverage. I'm going to guess that access to the remote site i
- /archives//html/Topband/2009-01/msg00061.html (7,559 bytes)
- 19. Re: Topband: 2-wire Beverage (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Thu, 8 Jan 2009 17:10:17 -0500
- The following hand waving exercise might help. Note that there is no mathematical rigor here. When I started thinking about this, I started with energy flow from the receiver end towards the radiatio
- /archives//html/Topband/2009-01/msg00067.html (9,538 bytes)
- 20. Re: Topband: locals (score: 1)
- Author: "Victor A. Kean, Jr." <vkean@k1lt.com>
- Date: Tue, 27 Jan 2009 20:34:16 -0500
- The offending station is noise to you! Try one of those noise cancelling boxes. Put a Beverage (or some other highly directional antenna) as the noise antenna, and cancel the offending station out of
- /archives//html/Topband/2009-01/msg00302.html (7,655 bytes)
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