- 1. Topband: beverages in woods? (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Tue, 23 May 2000 21:46:41 -0400
- K1VR: If you live where it snows, 6-7 feet can be too low. I prefer 10-12 feet. This is New England. We get serious snow. Fred Hopengarten K1VR -- FAQ on WWW: http://www.contesting.com/topband.html S
- /archives//html/Topband/2000-05/msg00065.html (7,189 bytes)
- 2. Topband: Radial staples (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Fri, 3 Mar 2000 10:39:18 -0500
- I bought a box of "bobby pins" or "bob pins" covered in black enamel, at a beauty supply store in a local mall. The box says: "smooth finish, ball tipped, glides through hair." I smack 'em over the r
- /archives//html/Topband/2000-03/msg00009.html (7,109 bytes)
- 3. Topband: terminated or not? (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Mon, 06 Dec 1999 00:23:54 EST
- On Sun, 5 Dec 1999 08:00:57 -0500 "Dick Wilborg" <dwilborg@bit-net.com> writes: that K1VR: This is exactly what I do. Cable TV coax is cheap when purchased by the roll. Use F connectors. This idea ap
- /archives//html/Topband/1999-12/msg00061.html (8,382 bytes)
- 4. Topband: Would like info on "Snake Antenna" (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Tue, 28 Dec 1999 13:40:48 EST
- Because I got a lot of request for details of the W0CM Snake antenna... The W0CM Snake is described in detail in the August 96 issue of the Lowband Monitor. To summarize: coax coax __________________
- /archives//html/Topband/1999-12/msg00308.html (11,315 bytes)
- 5. Topband: BLT Switch (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Fri, 05 Nov 1999 21:52:48 EST
- I have a 3 way switch that I like to call my BLT switch (Beverage/Loop/Transmit antenna). It is a standard brown, flat, Radio Shack switch with three push buttons on the front in a heavy duty brown c
- /archives//html/Topband/1999-11/msg00033.html (7,118 bytes)
- 6. Topband: Noise; how to relieve it (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Tue, 16 Nov 1999 08:56:44 EST
- K1VR: Begin by determining how much, if any, noise is generated on your property. Send everyone out for pizza at night and shut down one household AC circuit at a time. This includes the barn, garage
- /archives//html/Topband/1999-11/msg00088.html (7,339 bytes)
- 7. Topband: Slinky Beverage for 160? (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Wed, 17 Nov 1999 09:32:43 EST
- Herb: Below you will find what I saved from discussions the last time this question was raised. -- Fred K1VR As the originator of the Slinky Beverage some 10 years ago I will say it works very well i
- /archives//html/Topband/1999-11/msg00093.html (14,953 bytes)
- 8. TopBand: Beverage matching (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Thu, 25 Feb 1999 13:44:53 EST
- N1RC and K1VR wrote the 73 article on feeding a Beverage at both ends. N1RC, then an undergraduate EE student at MIT, designed the toroids that I still use. He's still alive and kicking, and offers s
- /archives//html/Topband/1999-02/msg00139.html (10,406 bytes)
- 9. TopBand: rg-6 (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Tue, 16 Sep 1997 20:24:16 EDT
- According to my Times Wire & Cable catalog (before they became Times Fiber), RG-6 can handle 2,000 watts average at 10 MHz, and 800 watts at 50 MHz. RG-213 numbers are 3,700 and 1,300. -- Fred K1VR -
- /archives//html/Topband/1997-09/msg00149.html (6,808 bytes)
- 10. TopBand: SPDT (Center Off) Relay? (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Sat, 19 Jul 1997 16:07:02 EDT
- W1FV and I are working on a low band (good for 80 or 160) antenna concept. To avoid the need for two relays, we are wondering if there is such a thing as a high voltage, low current, single pole doub
- /archives//html/Topband/1997-07/msg00067.html (6,864 bytes)
- 11. TopBand: New antenna on loaded tower (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Wed, 23 Jul 1997 20:03:33 EDT
- On Wed, 23 Jul 1997 10:40:48 -0700 (PDT) Larry Tyree <n6tr@teleport.com> writes: While KM1H and some other guys have told me that matching a loaded tower is easy, and requires only "iterations" until
- /archives//html/Topband/1997-07/msg00089.html (8,312 bytes)
- 12. TopBand: New antenna on loaded tower (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Thu, 24 Jul 1997 16:37:25 EDT
- Mike: I have the article. My problem is that I have a ton of stuff on my tower, up and down. Like: TH6/TH6/TH7 at 97'/61'/31' (61' on homemade rotatable sidemount). Plus 40-2CD at 90' on RingRotor. P
- /archives//html/Topband/1997-07/msg00094.html (8,324 bytes)
- 13. TopBand: Re: TopBand- Loading Your Tower (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Fri, 25 Jul 1997 23:12:33 EDT
- RE>>TopBand: New antenna on loaded tower 7/25/97 Fred, I've been watching this discussion go back and forth and decided to comment. I run the following system: Tower is 85 feet of Rohn 45 with insula
- /archives//html/Topband/1997-07/msg00098.html (11,969 bytes)
- 14. TopBand: Folded Unipole (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Tue, 24 Jun 1997 17:21:03 EDT
- I haven't checked this out yet, but I just ran into a company which "manufactures" a folded unipole antenna for the AM broadcast industry. They make some interesting claims over the phone. You may fi
- /archives//html/Topband/1997-06/msg00054.html (6,849 bytes)
- 15. TopBand: Top Hat Loaded Verticals (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Fri, 02 May 1997 13:14:48 EDT
- K1VR adds: Everything Carl says above is true. I'd like to add to the discussion. John (W1FV) also had great concerns about efficiency. He carefully measured feed impedances, created a matching syste
- /archives//html/Topband/1997-05/msg00009.html (9,217 bytes)
- 16. TopBand: 160m Ground Systems (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Mon, 10 Feb 1997 19:09:10 EST
- On Mon, 10 Feb 1997 14:31:13 -0500 Bill Cotter <bcotter@service1.uky.edu> writes: Bill: I also have a 4 square on 40, with 40 radials, each 40 feet long, under each vertical. Where they crossed the m
- /archives//html/Topband/1997-02/msg00151.html (9,074 bytes)
- 17. TopBand: 160m Ground Systems (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Tue, 11 Feb 1997 13:03:35 EST
- K1VR: OK OK, the Yagi (Cushcraft 40-02CD) may be better to JA by long path, but not by much. On the other hand, the difference is whopping big into Europe. Here's another comparison on verticals vs.
- /archives//html/Topband/1997-02/msg00167.html (8,389 bytes)
- 18. TopBand: Halifax (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Tue, 18 Feb 1997 11:02:31 EST
- Dear Fellow Topbanders: I just happened to notice on this morning's CBC news broadcast (I have a 4 GHz dish) that the average price of a home in Halifax, Nova Scotia, for January 1997 was CDN$107K. T
- /archives//html/Topband/1997-02/msg00266.html (7,067 bytes)
- 19. TopBand: "trapped dipole" (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Fri, 01 Nov 1996 21:37:07 EST
- K1VR: It's just an idea, but I use it. Run parallel RG-59 to the top of the tower. Put the two center conductors to the 160 m dipole as parallel feeders. Ground the two braids to the tower. Use an an
- /archives//html/Topband/1996-11/msg00024.html (8,313 bytes)
- 20. TopBand: Gamma Rod + Sidearm (score: 1)
- Author: k1vr@juno.com (Fred Hopengarten)
- Date: Sun, 03 Nov 1996 17:21:05 EST
- Gentlemen: I have a TH6DXX at 61' on a sidearm mount, rotatable. Loading the tower with a gamma rod which attached to the 97' tower at 60 feet yielded unsatisfactory results, so I put up a gamma rod
- /archives//html/Topband/1996-11/msg00045.html (8,228 bytes)
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