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1. Topband: balun measurements (score: 1): Author: eric@K3NA.ORG (Eric Scace K3NA); Date: Thu, 9 Jan 2003 11:06:06 -0500; Hi -- Where would I find measurements for baluns at various frequencies when attached to a mismatched load? I'm specifically interested in: 1. Balun types of interest: -- the coil of transmission lin; /archives//html/Topband/2003-01/msg00047.html (7,221 bytes)
2. Topband: BCB Trap Filter (score: 1): Author: eric@K3NA.ORG (Eric Scace K3NA); Date: Mon, 13 Jan 2003 16:09:16 -0500; Hi Barry -- I just happened to come across the 1995 November issue of "QEX" while unpacking a box of stuff from my move today. On pages 3 through 11 is an article by Ed Wetherhold W3NQN describing th; /archives//html/Topband/2003-01/msg00073.html (8,246 bytes)
3. Topband: BCB Trap Filter (score: 1): Author: eric@K3NA.ORG (Eric Scace K3NA); Date: Tue, 14 Jan 2003 06:07:03 -0500; Hi Barry -- I just happened to come across the 1995 November issue of "QEX" while unpacking a box of stuff from my move today. On pages 3 through 11 is an article by Ed Wetherhold W3NQN describing th; /archives//html/Topband/2003-01/msg00075.html (7,208 bytes)
4. Topband: Use of the RCS-4 for Remote Beverages? (score: 1): Author: eric@k3na.org (Eric Scace K3NA); Date: Sun, 1 Dec 2002 23:40:10 -0500; The telephone company does this, too. It's called "sealing current" but they use a larger voltage than 'a few volts'. This does not have to be continuously applied. I think modern telephone central o; /archives//html/Topband/2002-12/msg00014.html (8,200 bytes)
5. Topband: Beverage Frustrations (score: 1): Author: eric@k3na.org (Eric Scace K3NA); Date: Thu, 27 Jun 2002 19:33:37 -0400; Note that if epoxy encapsulation is used, the encapsulated components will be less tolerate to power losses. Encapsulation usually reduces the ability to dissipate heat into the atmosphere. -- Eric K; /archives//html/Topband/2002-06/msg00052.html (7,565 bytes)
6. Topband: TEN-TEC IS LISTENING! (score: 1): Author: eric@k3na.org (Eric Scace K3NA); Date: Sat, 09 Mar 2002 11:35:08 +0000; For those looking for a better "sub-receiver", just get a K2 for its receive capability. If we could marry its frequency-generating and elements with a computer port, that would be grand. But it requ; /archives//html/Topband/2002-03/msg00083.html (8,041 bytes)
7. Topband: VK9ML band planning (score: 1): Author: eric@k3na.org (Eric Scace K3NA); Date: Thu, 21 Mar 2002 12:07:11 -0500; Recently I received some inquiries about VK9ML 160m operations. At VK9ML four HF/MF radios will be available to cover nine frequency bands. (A fifth transceiver will be beaconing on 6m.) We are weigh; /archives//html/Topband/2002-03/msg00198.html (8,801 bytes)
8. Topband: VK9ML radio and propagation juggling (score: 1): Author: eric@k3na.org (Eric Scace K3NA); Date: Tue, 26 Mar 2002 22:10:15 -0500; Hi again -- Here is the URL for the Mellish Reef rough operating plan: http://www.qsl.net/vk9ml/2002/4radio.htm. Read the notes carefully before jumping to contusions. We will pay close attention to; /archives//html/Topband/2002-03/msg00245.html (7,308 bytes)
9. Topband: prospective QTH evaluations (score: 1): Author: eric@k3na.org (Eric Scace K3NA); Date: Fri, 25 May 2001 12:56:10 -0400; Hi folks -- I will be relocating and have started the hunt for a new radio QTH. Manmade intractable QRN sources are something that I'd like to avoid. One spot that I'm considering has an overhead res; /archives//html/Topband/2001-05/msg00058.html (7,956 bytes)
10. Topband:Parallel vertical antennas and 160M amps (score: 1): Author: eric@k3na.org (Eric Scace); Date: Wed, 11 Apr 2001 20:00:55 +0400; VK6VZ: You can convert soft-drawn copper to hard-drawn. Tie one end of the copper wire to something secure. Get a good grip on the other end and just lean most of your body weight against it (or use; /archives//html/Topband/2001-04/msg00026.html (8,015 bytes)
11. Topband: anchoring radials on/in ground that freezes (score: 1): Author: eric@k3na.org (Eric Scace); Date: Mon, 15 Jan 2001 11:14:59 +0300; Hi folks -- Anyone had trouble with radials on/in ground that periodically freezes? For example, if one buries radials ~5-10cm below the surface of the soil, and the soil cycles through freezing and; /archives//html/Topband/2001-01/msg00153.html (7,010 bytes)
12. Topband: precipitation static & folded verticals (score: 1): Author: eric@k3na.org (Eric Scace); Date: Mon, 22 Jan 2001 11:09:14 +0300; I'm looking for specific information which compares the level of precipitation static on folded vs unfolded antennas (preferably verticals). Is anyone aware of published literature which, for example; /archives//html/Topband/2001-01/msg00214.html (7,096 bytes)
13. Topband: anchoring radials in soil that freezes (score: 1): Author: eric@k3na.org (Eric Scace); Date: Mon, 22 Jan 2001 18:20:55 +0300; Here is a summary of responses on this question. No particular order to responses. No one reported any problems with frost heaves. W1DXH: -- Anchors with clothespins and doll pins, driven in with a h; /archives//html/Topband/2001-01/msg00224.html (9,760 bytes)
14. Topband: Wideband Noise on 160 (score: 1): Author: eric@k3na.org (Eric Scace K3NA); Date: Thu, 28 Dec 2000 18:04:23 -0500; An easier solution to identifying noise sources in the house: a) Go to the main circuit breaker panel in your house, and turn off everything except the feed to the shack. See if any noise>sources go; /archives//html/Topband/2000-12/msg00176.html (8,090 bytes)
15. Topband: SSW propagation on 160m (score: 1): Author: eric@k3na.org (Eric Scace); Date: Fri, 17 Nov 2000 14:44:26 +0300; [My apologies to the Topband reflector if the following has been already covered in this thread by other folks. I'm a new subscriber and wasn't sure if these items had already been considered.] Hi Bo; /archives//html/Topband/2000-11/msg00086.html (18,819 bytes)
16. Topband: RE: SSW propagation on 160m (score: 1): Author: eric@k3na.org (Eric Scace); Date: Sat, 18 Nov 2000 18:27:24 +0300; Hi Bob -- Thanks for your quick response. Some follow up thoughts... Some work (along with a lot of mathematical analysis) on low geomagnetic latitude magnetospheric ducts carrying LF, MF, and even l; /archives//html/Topband/2000-11/msg00103.html (8,159 bytes)
17. RE: Topband: RDF (score: 1): Author: Eric Scace K3NA <eric@k3na.org>; Date: Tue, 11 Nov 2003 23:44:18 -0500; Please double check that EZNEC 3.0 does the averaging correctly. There are two common errors: 1) calculating an arithmetic average of the dBi number, not of power. 2) calculating an average of an equ; /archives//html/Topband/2003-11/msg00081.html (9,159 bytes)
18. RE: Topband: ZA/WA6CDR to be QRV on 160M (score: 1): Author: Eric Scace K3NA <eric@k3na.org>; Date: Wed, 19 Nov 2003 00:23:00 -0500; I'll be at ZA1A during Nov 26-30 to help on 160m as well for the WW CW contest... Hope conditions will be favorable! -- Eric K3NA Robin Critchell, now at ZA/WA6CDR, said tonight they would try to com; /archives//html/Topband/2003-11/msg00136.html (8,070 bytes)
19. Topband: RE: ground screens (score: 1): Author: Eric Scace K3NA <eric@k3na.org>; Date: Sun, 08 Feb 2004 22:52:38 -0500; Hi Randy -- NEC4 radial studies suggest the following for radial ground screens: a) You probably want more radials with your very poor ground characteristics. I can send you some charts separately (t; /archives//html/Topband/2004-02/msg00129.html (11,293 bytes)
20. RE: Topband: WOW (score: 1): Author: Eric Scace K3NA <eric@k3na.org>; Date: Tue, 02 Mar 2004 16:48:45 -0500; Yes, WOW. I was hearing G's almost an hour before sunset last night on top band here on the south coast of Massachusetts. And 80m was smoking as well. Europeans were as strong as I've ever heard them; /archives//html/Topband/2004-03/msg00008.html (8,061 bytes)

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