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References: [ +from:k4zw@verizon.net: 21 ]

Total 21 documents matching your query.

1. Topband: Web SDR's and 'Cheating' (score: 1)
Author: Ken Claerbout <k4zw@verizon.net>
Date: Fri, 11 Feb 2011 13:09:41 -0600 (CST)
Who among us is surprised? Almost all of the new technology tools (SDR, chatroom, Spectran, etc.) while intriguing and fun to operate, can be used to make QSO's that would not otherwise be made. I pe
/archives//html/Topband/2011-02/msg00100.html (8,443 bytes)

2. Topband: Vertical Array Over Uneven Ground (score: 1)
Author: Ken Claerbout <k4zw@verizon.net>
Date: Tue, 13 Nov 2012 19:41:31 -0600 (CST)
Has anyone modeled or have experience with a transmit vertical array, say a 4-square, over uneven ground? By uneven I mean a variance of up to 2 - 3 meters over the footprint of the array elements. I
/archives//html/Topband/2012-11/msg00194.html (7,552 bytes)

3. Re: Topband: Vertical Array Over Uneven Ground (score: 1)
Author: Ken Claerbout <k4zw@verizon.net>
Date: Thu, 15 Nov 2012 18:41:43 -0600 (CST)
Since I started this thread, hopefully this will end it. I was talking about a difference on the order of 6' - 9', which I think was understood. But there are always those few that like to stir the p
/archives//html/Topband/2012-11/msg00250.html (8,292 bytes)

4. Topband: Webinar - The first Top Band DX Contest the 1921 Transatlantic Test (score: 1)
Author: Ken Claerbout <k4zw@verizon.net>
Date: Sat, 23 Feb 2013 06:14:02 -0600 (CST)
Frank Donovan, W3LPL, provides a very entertaining and informative look at the 1921 Transatlantic contest, complete with the transmitters, receivers, and antennas used. Since that time much has chang
/archives//html/Topband/2013-02/msg00160.html (7,284 bytes)

5. Re: Topband: Z81Z (score: 1)
Author: Ken Claerbout <k4zw@verizon.net>
Date: Thu, 28 Feb 2013 03:25:55 -0600 (CST)
Got a line up on the tower today so I will do my best to be on this evening. But I have a lot of challenges to deal with in order to make this happen so hang in there. I will do my best. 73 Ken K4ZW/
/archives//html/Topband/2013-02/msg00186.html (6,706 bytes)

6. Re: Topband: Z81Z (score: 1)
Author: Ken Claerbout <k4zw@verizon.net>
Date: Thu, 28 Feb 2013 09:58:07 -0600 (CST)
I was unable to get the antenna working today. Not really sure why because it was tested extensively at home. Could be interaction with the tower. Maybe just as good as some strong rain storms are mo
/archives//html/Topband/2013-02/msg00187.html (7,090 bytes)

7. Topband: The Quest to save AM radio (score: 1)
Author: Ken Claerbout <k4zw@verizon.net>
Date: Wed, 11 Sep 2013 19:29:00 -0500 (CDT)
"Exactly right. Isn't small government wonderful?" That's really not the problem. Many federal agencies, including the one I work at, have plenty of money and personnel. It's more a function of prior
/archives//html/Topband/2013-09/msg00181.html (9,193 bytes)

8. Topband: Are We Headed Into Another Maunder Minimum? (score: 1)
Author: Ken Claerbout <k4zw@verizon.net>
Date: Mon, 21 Apr 2014 13:15:15 -0500 (CDT)
The World Wide Radio Operators Foundation (WWROF) is pleased to host Carl Luetzelschwab, K9LA, as he presents "Are We Headed Into Another Maunder Minimum? What Does It Mean for Propagation?" 73 Ken K
/archives//html/Topband/2014-04/msg00050.html (6,869 bytes)

9. Topband: Webinar - A Long Overdue Review of Gray Line Propagation on the Low Bands (score: 1)
Author: Ken Claerbout <k4zw@verizon.net>
Date: Thu, 28 Aug 2014 13:20:31 -0500 (CDT)
The World Wide Radio Operators Foundation (WWROF) is pleased to present A Long Overdue Review of Gray Line Propagation on the Low Bands with Carl Luetzelschwab, K9LA. Carl will trace the origin of gr
/archives//html/Topband/2014-08/msg00253.html (7,428 bytes)

10. Topband: TX relays (score: 1)
Author: "Ken Claerbout" <k4zw@verizon.net>
Date: Mon, 13 Oct 2014 18:01:55 -0400
Milt's question was a good one and it got my interest since I am in the process of building an 80 meter transmit array. It's unfortunate the discussion tuned into an excrement fest but it shouldn't c
/archives//html/Topband/2014-10/msg00071.html (8,734 bytes)

11. Topband: Webinar - "Grayline Propagation, or Florida to Cocos (Keeling) on 80m" (score: 1)
Author: "Ken Claerbout" <k4zw@verizon.net>
Date: Sat, 14 Feb 2015 16:55:00 -0500
Description: The 2013 VK9CZ DXpedition to the Cocos (Keeling) Islands made 51 QSOs with US Zone 5 on 80m. 21 of these QSOs - more than 40 percent - were with stations in Florida. This presentation di
/archives//html/Topband/2015-02/msg00443.html (7,271 bytes)

12. Topband: Webinar - "Grayline Propagation, or Florida to Cocos (Keeling) on 80m" (score: 1)
Author: "Ken Claerbout" <k4zw@verizon.net>
Date: Tue, 10 Mar 2015 17:42:15 -0400
N4II's very informative Webinar has been posted to the World Wide Radio Operators Foundation (WWROF) web page. "The 2013 VK9CZ DXpedition to the Cocos (Keeling) Islands made 51 QSOs with US Zone 5 on
/archives//html/Topband/2015-03/msg00049.html (7,603 bytes)

13. Topband: XW4ZW Update (score: 1)
Author: Ken Claerbout <k4zw@verizon.net>
Date: Tue, 19 Jan 2016 18:38:35 -0600 (CST)
I see now why my original post, from the 18th, didn't show up. I sent it to the wrong address. It's below. I can report that the beverage is working very well! Only thing I can figure is that it fill
/archives//html/Topband/2016-01/msg00532.html (8,885 bytes)

14. Topband: Webinar - High Performance RX Antennas for a Small Lot (score: 1)
Author: "Ken Claerbout" <k4zw@verizon.net>
Date: Sun, 14 Feb 2016 13:59:09 -0500
The World Wide Radio Operators Foundation (www.wwrof.org) is pleased to sponsor the following Webinar. High Performance RX Antennas for a Small Lot Jose Carlos (JC), N4IS, will look at basic concepts
/archives//html/Topband/2016-02/msg00060.html (6,977 bytes)

15. Topband: WWROF Webinar - High Performance RX Antennas for a Small Lot (score: 1)
Author: "Ken Claerbout" <k4zw@verizon.net>
Date: Sat, 05 Mar 2016 08:15:26 -0500
Thanks to JC N4IS for his excellent presentation on lowband RX antennas and to WWROF for their continued sponsorship of the Webinar programs. We had almost 500 people register for this event! The rec
/archives//html/Topband/2016-03/msg00082.html (6,984 bytes)

16. Topband: Webinar - Waller Flag RX Antenna 101 - How to Construct a WF (score: 1)
Author: "Ken Claerbout" <k4zw@verizon.net>
Date: Sat, 28 Jan 2017 15:50:50 -0500
Join us for a webinar on Feb 16, 2017 at 9:00 PM EST Register now! - https://attendee.gotowebinar.com/register/7735767269616129539 JC N4IS covers the concepts and decisions to build your own WF low b
/archives//html/Topband/2017-01/msg00093.html (7,124 bytes)

17. Topband: N4IS - Waller Flag Construction Webinar Posted (score: 1)
Author: Ken Claerbout <k4zw@verizon.net>
Date: Wed, 01 Mar 2017 18:01:46 -0600 (CST)
Thanks to JC, N4IS for his presentation. The Webinar and his slides are now available on the WWROF webpage at http://wwrof.org/webinar-archive/n4is-waller-flag-construction/ 73 Ken K4ZW _____________
/archives//html/Topband/2017-03/msg00001.html (6,816 bytes)

18. Topband: Dayton 2017 Contest Activities With K3LR (score: 1)
Author: "Ken Claerbout" <k4zw@verizon.net>
Date: Sun, 07 May 2017 10:52:02 -0400
Thanks to Tim Duffy, K3LR, for doing a short video on Contest University and other contest related activities at Dayton 2017. You can access the video on the World Wide Radio Operators Foundation (WW
/archives//html/Topband/2017-05/msg00005.html (6,752 bytes)

19. Topband: Upcoming Webinars - Preparing for the Upcoming Contest Season (score: 1)
Author: Ken Claerbout <k4zw@verizon.net>
Date: Thu, 14 Sep 2017 20:37:05 -0400
Hi Gang - with CQWW DX and other contests coming up, I've put together a few Webinars to kick things off. More are in the works, but we're ready to announce the first two. Pass the word! Wednesday, O
/archives//html/Topband/2017-09/msg00039.html (7,480 bytes)

20. Re: Topband: underground cables question (score: 1)
Author: Ken Claerbout <k4zw@verizon.net>
Date: Thu, 5 Oct 2017 08:19:41 -0400
As you have found out, it's impossible to keep water out of a conduit like that. I use direct bury cabling and put it directly in the ground. Granted the cable is flooded, but putting in back in the
/archives//html/Topband/2017-10/msg00006.html (8,541 bytes)


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