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1. Topband: Translation of ferrite info request (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Sun, 11 Apr 1999 18:52:54 -0500; TAA10646 Sender: owner-topband@contesting.com Precedence: bulk X-List-Info: http://www.contesting.com/topband.html X-Sponsor: W4AN, KM3T, N5KO & AD1C To: <topband@contesting.com> Hello Friends: We ne; /archives//html/Topband/1999-04/msg00070.html (7,625 bytes)
2. TopBand: Strange condx (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Thu, 28 Jan 1999 05:21:10 -0500; I thought that there was going to be quite a prolonged opening to the US this morning. It started at 0300 with N7JW at 569 and building. Worked a couple more guys, then at 0306 gave a standby for KL7; /archives//html/Topband/1999-01/msg00178.html (7,140 bytes)
3. TopBand: ZL3GQ (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Thu, 02 Apr 1998 17:09:37 -0500; My recollection of Peter is almost identical to W8UVZ. He was also my first ZL, in the ARRL DX contest in 1953, on 80 meters. I was also running about 25 watts, to a crystal controlled modified comma; /archives//html/Topband/1998-04/msg00016.html (6,787 bytes)
4. TopBand: Rx noise figure (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Thu, 09 Apr 1998 19:39:03 -0500; Something I've wondered about for some time: if daytime 160 beverages require only an amp having a 5 db noise figure or better, and nighttime 20 db or better, why do we need preamps at all? I would h; /archives//html/Topband/1998-04/msg00119.html (7,017 bytes)
5. TopBand: Preamps (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Sat, 11 Apr 1998 01:56:38 -0500; Several excellent responses to my question about the need for preamps on Beverages were received. Here's the summary: Carl, KM1H: Good question Larry. A properly transformered Beverage should not req; /archives//html/Topband/1998-04/msg00139.html (11,936 bytes)
6. TopBand: Elevated radials (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Thu, 05 Mar 1998 22:56:50 -0500; For some time, I've been trying to create some mental image with which to visualize the induction into ground which takes place within the induction field around an elevated radial. I've also been tr; /archives//html/Topband/1998-03/msg00089.html (9,680 bytes)
7. TopBand: Re: Radials in general (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Fri, 06 Mar 1998 15:21:40 -0500; This would be true if you want to have an omnidirectional pattern. But if you want to favor any particular direction, maybe nice fat radials in the desired direction(s) would help to do so. Thanks fo; /archives//html/Topband/1998-03/msg00113.html (7,492 bytes)
8. TopBand: Field strength measurements (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Sat, 07 Mar 1998 16:52:58 -0500; Responding to N5IA's observation about the prohibitive cost of measurement equipment: I haven't bought any broadcast grade field strength meters lately, but I don't think amateurs really need that qu; /archives//html/Topband/1998-03/msg00125.html (8,021 bytes)
9. TopBand: Ground currents under radials (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Sun, 08 Mar 1998 16:47:29 -0500; ground currents, induced by radials, whether buried, surface, or elevated: two replies received were very informative. First, K1FK, who provided some good info and sent me to the library for more; a; /archives//html/Topband/1998-03/msg00133.html (9,670 bytes)
10. TopBand: Radials, radials, radials... (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Wed, 18 Mar 1998 00:51:07 -0500; I must agree strongly with Steve, VK6VZ: Please don't take these discussions to another reflector (unless duplicated here). They have been very, very informative. I've been reading and storing tech p; /archives//html/Topband/1998-03/msg00261.html (7,110 bytes)
11. TopBand: Ground screening (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Wed, 18 Mar 1998 01:01:58 -0500; There have been a couple of recent posts referring to a broadcast station somewhere which is using a large number of elevated radials. I believe one posting said that when you drive your car under th; /archives//html/Topband/1998-03/msg00262.html (6,699 bytes)
12. TopBand: Sources of radial wire (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Fri, 20 Mar 1998 01:13:03 -0500; The following question was in a private email from Dave, W4JVN, but the answer is probably of interest to many on the reflector. Dave, I'm an electrician. When we rewire a building, the old wire is s; /archives//html/Topband/1998-03/msg00321.html (9,495 bytes)
13. TopBand: Sources of radial wire (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Sat, 21 Mar 1998 00:33:46 -0500; way think Goose, you're right about the electrolysis. Actually, both effects occur: the unequal compression/expansion (whether indoors or out) coupled with low resilience, and electrolysis. And yes,; /archives//html/Topband/1998-03/msg00353.html (9,630 bytes)
14. TopBand: Sources of radial wire (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Sat, 21 Mar 1998 00:34:13 -0500; Ref my saying that galvanized will work (pure surmise on my part) and aluminum has its problems; and N4KG's experience with aluminum that worked well: that's good information, Tom, and thanks for the; /archives//html/Topband/1998-03/msg00354.html (7,722 bytes)
15. TopBand: Elevated Radials (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Sat, 21 Mar 1998 00:34:25 -0500; Suggestion, Carl. Put your 2n2222 4 miles away, and attach the FS meter to your vertical. Then when you add the radial, you don't need to go 4 miles to see the result. -- FAQ on WWW: http://www.cont; /archives//html/Topband/1998-03/msg00355.html (8,999 bytes)
16. TopBand: Remote signal source (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Sat, 21 Mar 1998 11:27:14 -0500; Carl, I don't know whether 1.5 wavelengths is far enough to be out of the near field or not. Probably someone else here on the reflector can answer that. I think that if your oscillator at your anten; /archives//html/Topband/1998-03/msg00370.html (7,780 bytes)
17. TopBand: FS measurement (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Sun, 22 Mar 1998 14:41:33 -0500; Carl, the reason I mentioned the 20db or so polarization loss is that without that loss the power required from your 2n2222 is decreased by 100 times, for the same FS meter reading. If you have found; /archives//html/Topband/1998-03/msg00408.html (7,710 bytes)
18. TopBand: Fishing vs. Digging (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Mon, 23 Mar 1998 21:54:10 -0500; There's a perfect solution to this great dilemma. This solution offers an ultra-low takeoff angle, extremely high efficiency (better than 120 radials), requires no digging, completely eliminates all; /archives//html/Topband/1998-03/msg00445.html (7,090 bytes)
19. TopBand: Folded Unipole (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Fri, 10 Oct 1997 23:29:55 -0500; For Carl, or any others who are not yet convinced that folding a unipole doesn't change the ground losses: here's another way of looking at it. Draw a picture of a vertical and underneath it some rad; /archives//html/Topband/1997-10/msg00172.html (7,984 bytes)
20. TopBand: W2EQS (score: 1): Author: n9dx@michiana.org (Larry Higgins); Date: Tue, 28 Oct 1997 22:45:15 -0500; Regarding N0UU's note about Charlie losing the CQ 160 contest job: I became rather close with Charlie after he moved to Indiana. He never mentioned losing the job, but he also never mentioned any hea; /archives//html/Topband/1997-10/msg00436.html (6,752 bytes)

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