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Total 25 documents matching your query.

1. [Towertalk] Wire antennas (score: 1): Author: k4zzr@bellsouth.net (David); Date: Sat, 28 Sep 2002 18:25:20 -0400; Hi guys.....the new Optibeam OB11-3 is working very well on 20-15-10 and now I'd like to add a wire antenna primarily for 75 and 40 for DX. I'm looking at a Carolina Windom 80 or a G5RV, but I'd like; /archives//html/Towertalk/2002-09/msg00933.html (7,091 bytes)
2. [Towertalk] Wire antennas (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Sun, 29 Sep 2002 16:44:08 -0400; A G5RV is a good antenna, if you don't mind using a tuner. A G5RV works well in an inverted-V configuration, supported by a tower. A Carolina Windom could be supported by a tower at one end, but not; /archives//html/Towertalk/2002-09/msg00959.html (8,791 bytes)
3. [TowerTalk] Wire Antennas (score: 1): Author: tleaf@hotmail.com (Ted Leaf); Date: Tue, 04 May 1999 17:16:19 PDT; Well Guys, To end this annual Spring bee thing, I am starting a new thread. Being that Field Day is coming up, our sister club in Hilo is going to use what they think is the greatest wire antenna inv; /archives//html/Towertalk/1999-05/msg00102.html (7,490 bytes)
4. [TowerTalk] Wire Antennas (score: 1): Author: Dick Green" <dick.green@valley.net (Dick Green); Date: Tue, 4 May 1999 22:11:25 -0400; I had a low Windom once -- maybe 30 feet up at one end, sloping upwards to maybe 40 feet up at the other end. Not very impressive. An 80M dipole at the same height beat the heck out of it. 73, Dick,; /archives//html/Towertalk/1999-05/msg00104.html (7,098 bytes)
5. [TowerTalk] Wire Antennas (score: 1): Author: billjhs@bellatlantic.net (billjhs); Date: Sun, 09 Aug 1998 22:24:48 -0400; Hello to all and thanks for the many answers I got from my last post. My new questions are: 1) Has anyone had any experience or heard anything about the B&W Broadband folded dipole AC 3.5-30??? 2) Ha; /archives//html/Towertalk/1998-08/msg00207.html (7,032 bytes)
6. [TowerTalk] Wire Antennas (score: 1): Author: K7LXC@aol.com (K7LXC@aol.com); Date: Sun, 9 Aug 1998 23:22:07 EDT; If you're looking for an all-band dipole, I like the W9INN ones. 847-394-3414. 73 and GL, Steve K7LXC Champion Radio Products http://www.championradio.com -- FAQ on WWW: http://www.contesting.com/tow; /archives//html/Towertalk/1998-08/msg00213.html (7,267 bytes)
7. [TowerTalk] Wire Antennas (score: 1): Author: w7why@mail.coos.or.us (Tom Osborne); Date: Wed, 12 Aug 1998 02:35:59 -0700; HI Bill. I think the B@W antenna had some kind of resistor to match it and made it essentially a big dummy load. The Alpha Delta is a better antenna. 73 Tom W7WHY -- FAQ on WWW: http://www.contesting; /archives//html/Towertalk/1998-08/msg00313.html (7,428 bytes)
8. [TowerTalk] Wire Antennas (score: 1): Author: n4kg@juno.com (T A RUSSELL); Date: Wed, 29 Jul 1998 10:04:54 -0600; This is a repeat of two of my previous posts on wire antennas. de N4KG .................. The G5RV is a 100 foot center fed wire antenna. Think of it as a long wire for each band and look up the patt; /archives//html/Towertalk/1998-07/msg00938.html (9,611 bytes)
9. [TowerTalk] wire antennas (score: 1): Author: on4bcj@hotmail.com (Jurgen Geldhof); Date: Thu, 3 Jul 1997 13:41:08 +0200; Hi, Let's stop the TT thread and get constructive again. Here's my question : Is there a formula to calculate the necessary thickness (or diameter) of an antenna wire to support a certain amount of p; /archives//html/Towertalk/1997-07/msg00103.html (7,351 bytes)
10. [TowerTalk] wire antennas (score: 1): Author: jreid@aloha.net (Jim Reid); Date: Thu, 03 Jul 1997 08:53:25 -1000; Hi Jurgen, Seems to me it will depend upon the effective radiation resistance of your antenna. A rhombic wire antenna has a pretty high value, so the voltage on the line would be high, but the curren; /archives//html/Towertalk/1997-07/msg00134.html (9,211 bytes)
11. [TowerTalk] wire antennas (score: 1): Author: "k4sb@worldnet.att.net"@worldnet.att.net (Edward W. Sleight); Date: Fri, 04 Jul 1997 02:52:18 -0700; I would think Ohm's law would do quite nicely along with the information in the handbook about the maximum current a particular wire size is capable of carrying. 73 Ed -- FAQ on WWW: http://www.conte; /archives//html/Towertalk/1997-07/msg00137.html (7,302 bytes)
12. [TowerTalk] wire antennas (score: 1): Author: darrel@rabbit.dii.com (Darrel Van Buer); Date: Thu, 3 Jul 1997 13:53:21 -0700; The National Electrical Code specifies wire size for antennas (I realize the US NEC does not apply to ON land), though the concern in the NEC is mostly mechanical - i.e. it will stay up, not fall and; /archives//html/Towertalk/1997-07/msg00140.html (7,927 bytes)
13. [TowerTalk] Wire antennas (score: 1): Author: stunroe@orion.branch-co.lib.mi.us (stu); Date: Thu, 03 Jul 1997 19:45:01 -0500; I have run 1500 watts into a #14 THHN 3 band dipole without any problems. You have to be sure that it does not contact anything conductive (including trees) or it will arc over however. Took it down; /archives//html/Towertalk/1997-07/msg00145.html (7,884 bytes)
14. Re: [TowerTalk] Wire antennas (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Sun, 25 May 2014 18:14:50 -0700; The ON4UN low band dxing book has quite a few good low frequency antennas in it. Any vintage of the book will do. 73 Jim W7RY --Original Message-- From: jcjacobsen@q.com Sent: Sunday, May 25, 2014 4:; /archives//html/Towertalk/2014-05/msg00447.html (8,140 bytes)
15. Re: [TowerTalk] Wire antennas (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Mon, 26 May 2014 00:20:03 -0700; Yes, good stuff, but I have more to offer. I'm also blessed with tall trees (redwoods, twice the height of yours). Over the past year or so, I've been doing an extensive modeling study to help us mak; /archives//html/Towertalk/2014-05/msg00453.html (9,632 bytes)
16. Re: [TowerTalk] Wire antennas (score: 1): Author: K7LXC--- via TowerTalk <towertalk@contesting.com>; Date: Mon, 26 May 2014 14:07:36 -0400 (EDT); other stuff on the website about antenna construction. When you're in the tops of these trees, you MUST use counterweights so that tree sway doesn't break the wires. It WILL happen. The other thing; /archives//html/Towertalk/2014-05/msg00462.html (7,507 bytes)
17. Re: [TowerTalk] Wire antennas (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Mon, 26 May 2014 17:06:29 -0700; On 5/26/2014 11:07 AM, K7LXC-- via TowerTalk wrote: The other thing you can do for wire antennas (tnx to Jim for all his insights) is to use a continuous halyard. That is, the halyard should be one l; /archives//html/Towertalk/2014-05/msg00469.html (8,930 bytes)
18. Re: [TowerTalk] Wire antennas (score: 1): Author: Gerry Hull <gerry@w1ve.com>; Date: Tue, 27 May 2014 11:24:08 -0400; Thanks Jim for your insights... New Antenna Book and ON4UN books ordered... (Though I've had them all in the past, they have disappeared somewhere! Lots of things get hard to find after 36 years in t; /archives//html/Towertalk/2014-05/msg00476.html (10,728 bytes)
19. Re: [TowerTalk] Wire antennas (score: 1): Author: Eric Rosenberg <ericrosenberg.dc@gmail.com>; Date: Tue, 27 May 2014 16:59:16 -0400; Jim correctly said " Rope can wear and even break if it allowed to rub over a tree branch, and even in some pulleys. Absent that problem though, yes, it's the weak spots in the antenna that break." M; /archives//html/Towertalk/2014-05/msg00477.html (10,485 bytes)
20. Re: [TowerTalk] Wire antennas (score: 1): Author: David Aslin <david@aslinvc.com>; Date: Wed, 28 May 2014 07:13:52 +0000; Eric, Those are helpful thoughts. I use marine pulleys (blocks) for all antenna work - they last for decades in our wet & windy UK climate. I'm intrigued by your comment "Snatch blocks make replacing; /archives//html/Towertalk/2014-05/msg00487.html (11,575 bytes)

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