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1. Topband: N7UA Does It Again! (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Mon, 30 Nov 2009 20:59:57 -0500; Just to prove N7UA's win last year was no fluke, check out Bob's SOSB/160 CQWW score below. The top Multi-Multi scores from the East Coast are about 380/22/83 and the highest single op score I've see; /archives//html/Topband/2009-11/msg00446.html (8,425 bytes)
2. Topband: Band condx last night (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Sat, 07 Nov 2009 13:22:35 -0500; W8UVZ: Very true. A few years from now contacts from NA to z18/19 or EU to z31/32 will be extremely rare instead of "routine" as they are now. Yesterday morning RZ0SR (Irkutsk 357 @ degrees) was comi; /archives//html/Topband/2009-11/msg00234.html (7,435 bytes)
3. Topband: The East Coast Advantage (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Wed, 28 Oct 2009 21:26:31 -0400; Does anyone else notice the similarity in these comments? :-) K9YC: hours before our sunset, they don't hear us (or don't WANT to hear us) because they're listening NE for Qs that yield a lot more po; /archives//html/Topband/2009-10/msg00382.html (6,957 bytes)
4. Re: Topband: K4M, FT5GA, et al (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Thu, 22 Oct 2009 13:29:48 -0400; work the lone ham wandering the world on a sailboat who is in a tent on the beach running barefoot to a wire strung up in a palm tree and who doesn't have pilot stations, DX net 'helpers', and so on.; /archives//html/Topband/2009-10/msg00304.html (7,534 bytes)
5. Re: Topband: K4M on TopBand (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Sat, 17 Oct 2009 08:55:20 -0400; allow myself to advice again. It is definitely deadwood to build RX antennas ( Beverages or so ) the way for reception from north direction ( over mg. oval ). All the signals came from 40 deg, Bevera; /archives//html/Topband/2009-10/msg00176.html (8,918 bytes)
6. Topband: Beverage Resistors (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Thu, 15 Oct 2009 12:43:15 -0400; KB8NNU: http://www.newark.com/jsp/search/productdetail.jsp?SKU=64K5431 73, Bill W4ZV _______________________________________________ Topband mailing list Topband@contesting.com http://lists.contestin; /archives//html/Topband/2009-10/msg00167.html (7,056 bytes)
7. Re: Topband: BCB Filter (related to Antenna Analyzer question) (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Wed, 14 Oct 2009 14:58:00 -0400; Contact the owner Dale Parfitt W4OP. Dale can tweak the #3 null in the response shown to exactly reject 1700 kHz. Poke around on his website...it might give you a little more confidence he knows what; /archives//html/Topband/2009-10/msg00154.html (8,862 bytes)
8. Topband: Feedline BOG effect (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Wed, 14 Oct 2009 12:58:08 -0400; KV4FZ: resorted even to large solenoid spools of RG-6 which according to W8JI's comparisons really is not as perfered as other methods. .....I wonder if there is a simple solution that some one has t; /archives//html/Topband/2009-10/msg00152.html (7,485 bytes)
9. Topband: BCB Filter (related to Antenna Analyzer question) (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Wed, 14 Oct 2009 08:31:33 -0400; VE9AA: analyzer would not be enough to overpower the components??? Anyone have a suggestion of a CHEAP filter? If I am shelling out $500++ for an analyzer, I don't want to spring another $100-$200 fo; /archives//html/Topband/2009-10/msg00146.html (7,986 bytes)
10. Topband: Multiple Beverage Switchbox (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Fri, 09 Oct 2009 09:57:06 -0400; I'm not sure this is applicable to your installation or not. For ~25 years I've fed most of my Beverages from a single point (in a star configuration). I use one transformer, one ground rod and small; /archives//html/Topband/2009-10/msg00123.html (7,397 bytes)
11. Re: Topband: DX-Enginneering Active Antenna System (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Fri, 2 Oct 2009 12:42:03 -0400; Please carefully read Lee's description (asterisks added): "This controller was designed to connect 4 shortened antennas using Hi-Z amplifiers into a directional receiving antenna. This new and uniqu; /archives//html/Topband/2009-10/msg00035.html (9,870 bytes)
12. Re: Topband: DX-Enginneering Active Antenna System (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Fri, 2 Oct 2009 11:18:57 -0400; Bad assumption Joe. "This unit was optimized for the 160 meter amateur band but can be used from below the broadcast band to over 30MHz." http://www.hizantennas.com/controller_4_elements.htm Before s; /archives//html/Topband/2009-10/msg00033.html (8,046 bytes)
13. Topband: DX-Enginneering Active Antenna System (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Fri, 02 Oct 2009 09:20:30 -0400; verticals with ICE 135B preamps for each active antenna. I will use a small choke and resistor is series at each preamp to impedance match the short vertical to the preamp input at 1.8 Mhz. I will al; /archives//html/Topband/2009-10/msg00028.html (10,529 bytes)
14. Re: Topband: DX Engineering Receiver 4 Square using W8JI PassiveElements (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Mon, 28 Sep 2009 11:29:10 -0400; K5GO suggested something similar. The only problem with this is that I want to be able to shut off power remotely when lightning is in the area. K7TJR's preamps have an internal relay which shorts t; /archives//html/Topband/2009-09/msg00152.html (9,354 bytes)
15. Topband: DX Engineering Receiver 4 Square using W8JI PassiveElements (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Mon, 28 Sep 2009 07:21:57 -0400; Hi-Z amplifiers in his arrays. I was hoping he would chime in here with his opinions as well. Might have been just the ease of not having to deal with radials or top loading on so many elements? I'm; /archives//html/Topband/2009-09/msg00148.html (8,497 bytes)
16. Topband: Topband Website Warning (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Fri, 07 Aug 2009 08:55:56 -0400; K5ZK: http://www.qsl.net/160/ AVG reports otherwise: Safe: This page contains no active threats.Explanation: It is safe to proceed to this page. Domain: IP Address: 69.16.226.196 Owner: Name: Address; /archives//html/Topband/2009-08/msg00024.html (7,431 bytes)
17. Topband: Receive antenna switching - Thanks! (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Wed, 05 Aug 2009 12:50:46 -0400; KB8NUU: design (>4 ports) that utilizes the coax for long runs rather having to drop a control line to the switch. DXE's FVC-1 will control 4 ports via coax. This unit was made for controlling their; /archives//html/Topband/2009-08/msg00013.html (7,863 bytes)
18. Re: Topband: One acre arrays (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Wed, 17 Jun 2009 11:48:55 -0400; Thanks for the replies so far, Aside from a powerline noise issue that popped up last winter (that I am trying to get resolved), I can normally far out hear my transmit abilities. 狢 currently run 5-; /archives//html/Topband/2009-06/msg00062.html (8,175 bytes)
19. Re: Topband: Twin Lead Marconi Antenna (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Tue, 16 Jun 2009 06:17:45 -0400; Citation? Try: http://www.w8ji.com/radiation_resistance.htm Tom quite clearly shows that the 4:1 step up in the feedpoint impedance does not change the current flowing in the ground. Since neither th; /archives//html/Topband/2009-06/msg00055.html (8,528 bytes)
20. Re: Topband: 160-Iran (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Mon, 8 Jun 2009 12:17:05 -0400; Yes, EP2BQ was very active on 160m in those days. Also I worked EP2SV (opr. Bill K6KM) in Nov. 1977 on 160m. 73 Aki, JA5DQH 160 DXCC #1 Asia, #75 World _______________________________________________; /archives//html/Topband/2009-06/msg00041.html (6,667 bytes)

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