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101. Re: Topband: Antenna terminations (score: 1): Author: <donovanf@starpower.net>; Date: Wed, 13 Mar 2013 01:54:53 -0400 (EDT); Like Tom, I install my carbon composition Beverage termination resistors fully exposed to the weather. I measure them annually and over a 20 year period just a few have changed resistance outside of; /archives//html/Topband/2013-03/msg00105.html (10,039 bytes)
102. Re: Topband: The First Top Band Conterst (score: 1): Author: donovanf@starpower.net; Date: Tue, 19 Mar 2013 16:45:11 -0400 (EDT); Hi Dan, The 1BCG transmitter was redesigned and rebuilt many times before and during the Transatlantic Test. The transmitter as first built in early December was a "self rectified A.C. self oscillato; /archives//html/Topband/2013-03/msg00123.html (9,725 bytes)
103. Re: Topband: Voltage along coax feeder (score: 1): Author: donovanf@starpower.net; Date: Thu, 28 Mar 2013 11:18:09 -0400 (EDT); Its very wise to use an isolation transformer -- at least at the receiver end -- so a shorted capacitor can never result in a blown radio front end! As W8JI has pointed out, be very careful to take p; /archives//html/Topband/2013-03/msg00144.html (9,376 bytes)
104. Re: Topband: RG-6 coax (score: 1): Author: donovanf@starpower.net; Date: Wed, 10 Apr 2013 00:19:10 -0400 (EDT); Hi Carsten, The loss of copper clad steel (CCS) center conductor RG-6 is somewhat higher than solid copper (SC) center conductor RG-6 on 1.8 and 3.5 MHz because the copper cladding is thinner than RF; /archives//html/Topband/2013-04/msg00014.html (7,666 bytes)
105. Topband: Another source of 160 meter RFI (score: 1): Author: donovanf@starpower.net; Date: Wed, 24 Apr 2013 00:49:16 -0400 (EDT); Official Citation issued to Ruben D. Lopez, Jr. for operation of an incidental radiator, which caused harmful interference. Action by: District Director, Tampa Office, South Central Region, Enforceme; /archives//html/Topband/2013-04/msg00049.html (6,817 bytes)
106. Re: [RFI] Topband: Another source of 160 meter RFI (score: 1): Author: donovanf@starpower.net; Date: Wed, 24 Apr 2013 19:36:45 -0400 (EDT); Before we get too euphoric about the FCC's performance in this matter, this is the text of an email sent to me today by the ham directly affected by this RFI: "So this is the third letter, and a visi; /archives//html/Topband/2013-04/msg00050.html (9,267 bytes)
107. Re: Topband: Problem with compression F connectors on Quad RG-6 (score: 1): Author: donovanf@starpower.net; Date: Tue, 7 May 2013 12:23:40 -0400 (EDT); Improper connector installation plagues many ham stations, not only with RG-6 CATV connectors but with all types of coaxial connectors. An improperly installed connector is an invitation to RFI ingre; /archives//html/Topband/2013-05/msg00028.html (14,656 bytes)
108. Re: Topband: Problem with compression F connectors on Quad RG-6 (score: 1): Author: donovanf@starpower.net; Date: Tue, 7 May 2013 19:29:16 -0400 (EDT); This is the YouTube video Mike referred to: https://www.youtube.com/watch?v=kN1yUBp2CzI 73 Frank W3LPL -- Original Message -- The way that you are doing it it exactly the way that Belden recommends d; /archives//html/Topband/2013-05/msg00048.html (10,577 bytes)
109. Topband: VK6HD Remembrance at the Dayton Topband Dinner (score: 1): Author: donovanf@starpower.net; Date: Wed, 8 May 2013 10:48:11 -0400 (EDT); I will be presenting a brief remembrance of our friend Mike, VK6HD at the Dayton Topband Dinner. Does anyone have an audio recording of VK6HD or any other information about Mike of general interest?; /archives//html/Topband/2013-05/msg00056.html (7,038 bytes)
110. Topband: Common sense email security (score: 1): Author: donovanf@starpower.net; Date: Wed, 19 Jun 2013 14:49:08 -0400 (EDT); Clickable links in email are one of the most pervasive means of spreading malware. Never click on a link in email -- even from your best friend -- because the "social engineering" of malware spreadin; /archives//html/Topband/2013-06/msg00075.html (9,292 bytes)
111. Re: Topband: 160M Rhombics (score: 1): Author: donovanf@starpower.net; Date: Fri, 26 Jul 2013 14:40:01 -0400 (EDT); Rhombics definitely look cool, but modern antennas definitely outperform them My favorites: - four stacked rhombics, (two wide, two high) over a salt marsh in ZC4 this array was replaced by a curtain; /archives//html/Topband/2013-07/msg00078.html (10,080 bytes)
112. Re: Topband: Somebody mentioned Quads (score: 1): Author: donovanf@starpower.net; Date: Fri, 26 Jul 2013 20:13:27 -0400 (EDT); Hi Herb, Dielectric loading causes insulated wire to have a lower velocity factor than bare wire. The velocity factor of your particular wire can be determined experimentally. This is exactly the sam; /archives//html/Topband/2013-07/msg00090.html (10,670 bytes)
113. Re: Topband: Don W6AM (score: 1): Author: donovanf@starpower.net; Date: Sun, 28 Jul 2013 11:56:19 -0400 (EDT); Gus was DX editor for 73 Magazine starting in January 1973. All issues of 73 magazine are available free of charge on archive.org Just use Google to search for: "W4BPD site:archive.org" Here's what G; /archives//html/Topband/2013-07/msg00127.html (17,911 bytes)
114. Topband: W4BPD Archive (score: 1): Author: donovanf@starpower.net; Date: Sun, 28 Jul 2013 19:08:19 -0400 (EDT); An archive of W4BPD's writings about his early life and Dxpeditions is on this page: http://springfieldsc.us/W4BPD.htm The detailed index and reprinted articles are here: http://springfieldsc.us/Arch; /archives//html/Topband/2013-07/msg00138.html (6,743 bytes)
115. Re: Topband: : W4BPD Archive (score: 1): Author: donovanf@starpower.net; Date: Mon, 29 Jul 2013 12:39:06 -0400 (EDT); Hello Rag, I always wondered about Gus Browning's LH4C DXpedition, and the accuracy of this article, given the extreme difficulty of landing on Bouvet. http://archive.org/stream/73-magazine-1967-10/1; /archives//html/Topband/2013-07/msg00148.html (11,988 bytes)
116. Re: Topband: BSEF Array (score: 1): Author: donovanf@starpower.net; Date: Mon, 29 Jul 2013 13:37:47 -0400 (EDT); Hi Mark, You will enjoy using your new BSEF receiving array. K1HTV was a big fan of my BSEF array in the DX contests. Ask W3UR how he likes it. His T6T topband QSO was made possible by the BSEF array; /archives//html/Topband/2013-07/msg00150.html (8,299 bytes)
117. Re: Topband: : W4BPD Archive (score: 1): Author: donovanf@starpower.net; Date: Mon, 29 Jul 2013 14:16:23 -0400 (EDT); Hi Carl, My first QSO with Don Miller was in 1963 when he was in the army as HL9KH . There is an interesting web site about W9WNV here: http://www.oocities.org/capecanaveral/1641/miller.html What eve; /archives//html/Topband/2013-07/msg00154.html (15,530 bytes)
118. Re: Topband: Blame it on global warming (score: 1): Author: donovanf@starpower.net; Date: Mon, 5 Aug 2013 10:31:53 -0400 (EDT); This is the original research paper: http://www.physics.otago.ac.nz/space/Silber_etal_2013_as_accpeted.pdf Global warming is an indisputable fact, the cause is subject to much debate. Please, lets ke; /archives//html/Topband/2013-08/msg00029.html (9,343 bytes)
119. Re: Topband: Blame it on global warming (score: 1): Author: donovanf@starpower.net; Date: Mon, 5 Aug 2013 12:39:02 -0400 (EDT); This discussion involves current scientific research of the D and E layers of the ionosphere that are within the thermosphere and parts of the mesophere. The D and E layers profoundly impact Topband; /archives//html/Topband/2013-08/msg00039.html (8,708 bytes)
120. Re: Topband: tree losses (score: 1): Author: donovanf@starpower.net; Date: Mon, 5 Aug 2013 16:09:13 -0400 (EDT); It depends on what the measure of "much better" is. .. For many years US special forces have used field expedient long wire HF antennas close to the ground (i.e., Beverage antennas) pointed at the ne; /archives//html/Topband/2013-08/msg00060.html (9,641 bytes)

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