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Total 17 documents matching your query.

1. Topband: Ewe, Flag, and Pennant questions for the experts (score: 1)
Author: markwa1ion@excite.com (markwa1ion@excite.com)
Date: Thu, 21 Mar 2002 21:14:52 -0500 (EST)
Here are a few Ewe, Flag, and Pennant questions for antenna-modelling program experts. (1) Ken Alexander did some Pennant optimizations for medium-wave (AM broadcast) use. He came up with a vertical-
/archives//html/Topband/2002-03/msg00204.html (10,633 bytes)

2. Topband: Re: Palomar Loop Antenna (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Sun, 4 Nov 2001 18:32:10 -0800 (PST)
One of the least sensitive loops I've ever used. Mark Connelly, WA1ION original message: Topband: Palomar Loop Antenna I was wondering if anyone has tried the Palomar Amplified Loop Antenna on the lo
/archives//html/Topband/2001-11/msg00017.html (6,972 bytes)

3. Topband: Kiwa versus Quantum Loop article (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Thu, 30 Aug 2001 16:46:32 -0700 (PDT)
I've done a series of comparative tests on the popular Kiwa and Quantum loops used mostly by medium-wave (500-1800 kHz) DXers and occasionally by 160-m hams. The article entitled "Loop Shoot-Out at E
/archives//html/Topband/2001-08/msg00155.html (7,334 bytes)

4. Topband: article: Phasing Improves Kaz Antenna Nulls (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Tue, 10 Jul 2001 20:18:13 -0700 (PDT)
Phasing Improves Kaz Antenna Nulls (Mark Connelly, WA1ION - 10 JUL 2001) The "Kaz" antenna was introduced by John Bryant's article "Testing Two 'Kaz' Squashed Delta Antennas" (reference 1). Further t
/archives//html/Topband/2001-07/msg00019.html (7,904 bytes)

5. Topband: new technical articles online (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Sat, 2 Jun 2001 10:13:50 -0700 (PDT)
I have added links to some new articles on my RF Circuit Building Blocks Page. These include "What Does Your S-Meter Reading Mean ? (Two Receivers Compared)" (HTML document) and "Toroidal Core Applic
/archives//html/Topband/2001-06/msg00006.html (7,036 bytes)

6. Topband: New Antenna Article on Web (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Fri, 4 May 2001 04:50:00 -0700 (PDT)
New Antenna Article on Web I have done some tests comparing a Pennant antenna and a "Kaz" antenna. An article on this latest round of research has been posted at the following URL: "http://members.ao
/archives//html/Topband/2001-05/msg00007.html (7,654 bytes)

7. Topband: Kaz Antenna article by John Bryant (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Wed, 18 Apr 2001 16:56:27 -0700 (PDT)
Greetings to all. I have web-posted John Bryant's excellent write-up of the "Kaz antenna" which was developed by renowned medium wave DXer Neil Kazaross. It is a "squashed delta" variant of the K6SE
/archives//html/Topband/2001-04/msg00041.html (9,118 bytes)

8. Topband: Broadcast stations (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Wed, 3 Jan 2001 10:00:13 -0800 (PST)
The best source is the free European Medium Wave Guide, a PDF document downloadable from the following page: "http://go.to/emwg". Herman Boel in Belgium publishes this excellent guide. If there's a d
/archives//html/Topband/2001-01/msg00025.html (7,211 bytes)

9. Topband: Beverage length (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Fri, 13 Oct 2000 13:57:18 -0700 (PDT)
On his remotely-controlled termination Beverage web page http://www.ultranet.com/~oakridge/Beverage_info/RCT_Beverage/RCT_Beverage.html Steve Byan mentions "If you have a specific frequency for which
/archives//html/Topband/2000-10/msg00080.html (8,375 bytes)

10. Topband: 3-loop Antenna Array article on Web (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Mon, 16 Oct 2000 17:56:03 -0700 (PDT)
I have a new article about a three loop antenna array which provides an electrically-rotatable cardioid pick-up pattern as well as partially rotatable figure-of-8 patterns. Links to the article in PD
/archives//html/Topband/2000-10/msg00100.html (6,955 bytes)

11. Topband: remotely-controlled Beverage termination (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Thu, 19 Oct 2000 05:52:37 -0700 (PDT)
I have used the Byan remote Beverage termination scheme on at least two AM broadcast-band listening DXpeditions to Cappahayden, Newfoundland. The site is about 100 km / 60 miles south of the major ci
/archives//html/Topband/2000-10/msg00121.html (8,987 bytes)

12. Topband: remotely-controlled Beverage termination (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Fri, 20 Oct 2000 06:21:48 -0700 (PDT)
Dave (W0FLS) said "I have experimented with changes in termination values and have never found it to be a very critical issue based on actual measured empirical performance." The difference between m
/archives//html/Topband/2000-10/msg00129.html (8,389 bytes)

13. Topband: phasing unit documents on Web (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Wed, 27 Sep 2000 20:35:56 -0700 (PDT)
I have just posted on-line documentation for two compact easy-to-build antenna phasing units, DXP-2 and DXP-3. These are designed for simple operation on DXpeditions. Go to my RF Circuits page at htt
/archives//html/Topband/2000-09/msg00162.html (6,992 bytes)

14. Topband: DX road trip logs on the Web (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Mon, 17 Jul 2000 16:40:43 -0700 (PDT)
Long-haul DX receptions on low and medium frequencies are possible even in the heart of the summer season. Read one DXer's accounts of stations heard on road trips along the coast of Massachusetts in
/archives//html/Topband/2000-07/msg00033.html (6,947 bytes)

15. Topband: Pennant Antenna with Remote Termination Control (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Fri, 28 Jul 2000 09:24:25 -0700 (PDT)
The initial version of my new article "Pennant Antenna with Remote Termination Control" is now available at "http://members.aol.com/DXerCapeCod/pennant.htm" . It contains descriptive text, circuit dr
/archives//html/Topband/2000-07/msg00048.html (7,696 bytes)

16. Topband: Web summary of Phased Arrays Discussion (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Mon, 19 Jun 2000 19:26:09 -0700 (PDT)
I've put together a Web page with text of some recent e-mail discussions of phased antenna arrays. Much of the discussion revolves around medium wave (500-2000 kHz) but may be applicable to longwave
/archives//html/Topband/2000-06/msg00039.html (7,552 bytes)

17. Topband: Using Euro BC stations as propagation beacons (score: 1)
Author: MarkWA1ION@excite.com (Mark Connelly)
Date: Thu, 30 Dec 1999 11:30:42 -0800 (PST)
A number of European and other Trans-Atlantic medium wave broadcast stations are often heard in the eastern US and Canada, particularly at seacoast locations around local sunset. Stations above 1100
/archives//html/Topband/1999-12/msg00328.html (8,125 bytes)


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