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61. Re: Topband: Xtal Filter (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Wed, 4 Jan 2012 13:18:16 -0600
Sherwood hasn't sold that FE 1825 - 1830 filter in years. That is why I suggested the INRAD filter which is 5 KHz wide centered on 1822.5 KHz. INRAD #807 http://www.inrad.net/product.php?productid=23
/archives//html/Topband/2012-01/msg00058.html (8,507 bytes)

62. Re: Topband: BCI chase update (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sun, 8 Jan 2012 12:08:32 -0600
Hi Paul: I have tried and tested many commercial and homebrew preamps for use on the TopBand (including those you talk about below). Although all of the preamps work - some work better than others. T
/archives//html/Topband/2012-01/msg00125.html (10,737 bytes)

63. Re: Topband: hygain hytower (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sun, 8 Jan 2012 13:40:46 -0600
Hello David: This is an interesting question - and my love for the HyTower antenna design promoted me to do a quick Google search for "plans for NDB transmitting antennas". This search yielded a ton
/archives//html/Topband/2012-01/msg00127.html (7,925 bytes)

64. Topband: Announcing the 2012 Dayton TopBand Dinner (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Fri, 20 Jan 2012 14:09:25 -0600
We are carrying on the great TopBand dinner tradition that George, K8GG and George, W8UVZ put together for so many years at Dayton. Dinner reservations and Tickets are now available for the 23rd Annu
/archives//html/Topband/2012-01/msg00210.html (7,110 bytes)

65. Topband: TopBand Dinner in Dayton - May 18, 2012 (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Fri, 30 Mar 2012 10:49:03 -0500
Since the reflector announcement in January, many TopBand operators have made reservations to attend the 23rd Annual Dayton TopBand dinner. TopBand dinner details are here: http://topbanddinner.com 7
/archives//html/Topband/2012-03/msg00265.html (7,012 bytes)

66. Topband: The 2012 Dayton TopBand Dinner - Friday May 18 (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Tue, 24 Apr 2012 16:07:21 -0500
Here is your chance to enjoy Friday evening in Dayton, Ohio with TopBand operators from around the world. 7:30 PM - Friday May 18, 2012 at the Crowne Plaza PROGRAM: "TopBand Operating Ideas" - by Fra
/archives//html/Topband/2012-04/msg00144.html (7,469 bytes)

67. Topband: Live Contest Web Cam from Dayton Crowne Plaza. CTU & more - starts Wednesday May 16 (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sun, 13 May 2012 22:54:04 -0500
Big thanks to Tom, KB4HQA and HQA Radio as they have worked hard to bring over 20 hours of live Contest CAM Streaming on the web from the Crowne Plaza (official Contest Hotel) in downtown Dayton, Ohi
/archives//html/Topband/2012-05/msg00147.html (9,794 bytes)

68. Topband: 2012 Dayton slide deck postings (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Wed, 6 Jun 2012 23:11:48 -0500
There were five excellent papers (by K4IQJ, K3TUF, K1KP, W2GD, K4ZA and K9LA) presented at the 2012 Dayton Antenna Forum. Go to http://www.k3lr.com and click on the Dayton Antenna Summary 2012 to vie
/archives//html/Topband/2012-06/msg00057.html (7,270 bytes)

69. Re: Topband: 1820 spur (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Fri, 2 Nov 2012 21:59:53 -0500
Hello Mike: I believe that the 1820 spurs are created from multiple sources. That is why you can hear it at many QTHs around the world (although the spur content is technically different with respect
/archives//html/Topband/2012-11/msg00019.html (8,545 bytes)

70. Re: Topband: Inverted L SWR Jumps ??? (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Wed, 28 Nov 2012 00:45:08 -0600
Hello Ashton, I am curious what "pretty well separated" is at your QTH? Two 160 meter antennas separated by 240 feet is the same as having two 2 meter antennas 38 inches apart. There is significant c
/archives//html/Topband/2012-11/msg00419.html (9,402 bytes)

71. Topband: Announcing the 2013 Dayton TopBand Dinner (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Tue, 15 Jan 2013 11:27:34 -0600
Continuing the great TopBand dinner tradition that George, K8GG and George, W8UVZ started, I am proud to announce the 24th Annual Dayton TopBand dinner. Dinner reservations and Tickets are now availa
/archives//html/Topband/2013-01/msg00106.html (7,692 bytes)

72. Re: Topband: TOPBAND DINNER (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Thu, 7 Feb 2013 14:52:58 -0600
Hello Mike! Yes, there was an announcement about the Dayton TopBand Dinner several weeks ago on this reflector. N6TR and K3UL will be speaking. Tickets are available now http://topbanddinner.com 73,
/archives//html/Topband/2013-02/msg00065.html (7,588 bytes)

73. Re: Topband: New 160M high performance receiving antenna at W3LPL (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Wed, 13 Feb 2013 00:43:46 -0600
Hello Rudy, I am using a pair of VE3DO loops in a phased array for 160 meters. The two loops are spaced 5/8 wavelength (at 1830 KHz) apart at K3LR - aimed at 45/225 degrees (a DPDT relay selects the
/archives//html/Topband/2013-02/msg00104.html (11,175 bytes)

74. Re: Topband: New 160M high performance receiving antenna at W3LPL (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Wed, 13 Feb 2013 20:59:54 -0600
Hi Rudy! The VE3DO phased pair works great on 80 and 40 meters as well. Even with the optimized spacing and feed for 160, the 80 and 40 meter stations here can use it and they love the way it works.
/archives//html/Topband/2013-02/msg00124.html (12,953 bytes)

75. Topband: Reminder - WWROF Webinar to be given by W3LPL this evening (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Mon, 18 Mar 2013 12:45:17 -0500
"The first Top Band DX Contest - the 1921 Transatlantic Test" 18-Mar-2013 9pm - 10pm EDT (19-Mar-2013 0100 - 0200 UTC) Frank Donovan, W3LPL, provides a very entertaining and informative look at the v
/archives//html/Topband/2013-03/msg00121.html (7,327 bytes)

76. Re: Topband: Reminder - WWROF Webinar to be given by W3LPL this evening (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Thu, 21 Mar 2013 14:16:17 -0500
Hello Dave! The online recorded archive is available now for W3LPL's excellent presentation from earlier this week. Simply go to the Webinar archive link on the WWROF page and click on the title of F
/archives//html/Topband/2013-03/msg00128.html (9,126 bytes)

77. Topband: 24th Annual Top Band Dinner in Dayton (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Mon, 6 May 2013 22:44:24 -0500
The annual Dayton Top Band Dinner is always special. 24 years in a row. If you have not made your reservations yet, now is the time. N6TR and K3UL will give a special Top Band program for 2013. All o
/archives//html/Topband/2013-05/msg00021.html (6,787 bytes)

78. Topband: FW: Dayton Specials For 2013 (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Tue, 14 May 2013 23:55:03 -0500
Hello Paul, Interesting 73, Tim _____ From: Alpha Amplifiers / RF Concepts [mailto:molly@alpharadioproducts.ccsend.com] On Behalf Of Alpha Amplifiers / RF Concepts Sent: Monday, May 13, 2013 1:55 PM
/archives//html/Topband/2013-05/msg00087.html (12,135 bytes)

79. Re: Topband: data follow up to W4ZV and K2AV comments (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Wed, 28 Aug 2013 22:02:07 -0400
For the record: 40 meter antennas at W3LPL: Two full size 3 ele Yagi's at 190 feet over 100 feet - 48 foot booms. 40 meter antennas at K3LR Three full size 4 ele OWA Yagi's at 260 feet over 190 feet
/archives//html/Topband/2013-08/msg00351.html (10,306 bytes)

80. Re: Topband: Low dipole for receiving (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Wed, 18 Sep 2013 12:02:31 -0400
You might find some ideas from a presentation during the 2011 Top Band Dinner at Dayton helpful. There are some details about how a low dipole performs on 160. "Inexpensive Receive Antennas for Top B
/archives//html/Topband/2013-09/msg00259.html (9,508 bytes)


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