- 1. Topband: CI-V listening variable antenna controller (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Mon, 15 Oct 2012 17:18:34 -0700
- Before I reinvent the wheel, I thought I'd ask if this exists as a commercial product or homebrew project. I've googled quite a bit without success. What I need is a screwdriver antenna controller th
- /archives//html/Topband/2012-10/msg00242.html (8,867 bytes)
- 2. Re: Topband: Beverage Antenna (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Fri, 09 Nov 2012 19:36:24 -0800
- I'm not sure why the bidirectional coaxial cable Beveridge doesn't get more discussion. It is described in ON4UN's book, and seemed to work fine when I built one at a prior QTH, although it does take
- /archives//html/Topband/2012-11/msg00108.html (9,763 bytes)
- 3. Re: Topband: TX/ RX Antenna Switching (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Thu, 15 Nov 2012 12:55:26 -0800
- Tom, Thanks for all your contributions and comments. I searched the DXE web site and was unable to find the limiter you mentioned. Could you be more specific? Also, a clarification about data on your
- /archives//html/Topband/2012-11/msg00239.html (10,411 bytes)
- 4. Topband: how high are very high voltages on antennas? (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Wed, 21 Nov 2012 17:03:27 -0800
- It is often mentioned that "very high RF voltages" are present at ends of dipoles, voltage nodes on loops, etc. but I haven't been able to find any guidance in the form of numbers. How high is "very
- /archives//html/Topband/2012-11/msg00350.html (6,865 bytes)
- 5. Re: Topband: how high are very high voltages on antennas? (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Thu, 22 Nov 2012 09:13:22 -0800
- Thanks for the insight. I will try the EZNEC suggestion. "stub" was a bad choice of words, I've got two approaches in contemplation/analysis mode, both wire loading schemes: 1. Four relay switched ve
- /archives//html/Topband/2012-11/msg00359.html (11,764 bytes)
- 6. Re: Topband: how high are very high voltages on antennas? (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Thu, 22 Nov 2012 15:53:00 -0800
- I worked with Mike Kelley ( mpkelley at seco-systems.net) (be aware there is another unrelated seco systems company). We worked out the design of a dual coil (1/4" Cu tubing coils) center feed with a
- /archives//html/Topband/2012-11/msg00363.html (9,171 bytes)
- 7. Re: Topband: beverage construction (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Thu, 22 Nov 2012 16:56:07 -0800
- A neat and cheap insulator for along a Beverage is the C shaped screw in insulator for electric horse fences. The ends of the C overlap so a half twist allows the wire to be inserted and then held wi
- /archives//html/Topband/2012-11/msg00365.html (8,300 bytes)
- 8. Re: Topband: 2 wire beverage question (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Wed, 28 Nov 2012 09:18:49 -0800
- Is there any performance difference between a two wire open wire bidirectional Beverage and the bidirectional coaxial cable design also in ON4UN's book? Grant KZ1W On 11/28/2012 7:49 AM, Tom W8JI wro
- /archives//html/Topband/2012-11/msg00434.html (9,146 bytes)
- 9. Topband: elevated radial question (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Wed, 12 Dec 2012 16:05:43 -0800
- I'm finalizing the layout for a tree hung T loaded vertical for TB, about 85' to the top, two x 45' mostly horizontal loading wires, and radials elevated 10' above (much?) better than average soil, a
- /archives//html/Topband/2012-12/msg00338.html (8,783 bytes)
- 10. Re: Topband: Elevated Radials Questions (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Thu, 13 Dec 2012 14:27:56 -0800
- Thanks for the comments and pointers. The land around the antenna is mixed grass and forested islands so on the ground radials would be partially buried and partially on the surface. Digging through
- /archives//html/Topband/2012-12/msg00356.html (9,748 bytes)
- 11. Re: Topband: PE coated RG6 (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Fri, 14 Dec 2012 13:29:20 -0800
- Just completed cables for an active receive 4 square with Commscope PE jacketed flooded RG6 (660-BEF), 1000' on ebay for $35. I used the "weathertight" compression fittings and a Radio Shack stepped
- /archives//html/Topband/2012-12/msg00386.html (8,693 bytes)
- 12. Re: Topband: GAP Vertical Question (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Mon, 17 Dec 2012 13:31:15 -0800
- I second this motion. Nearly every day brings some new insights. Thanks, Grant KZ1W On 12/17/2012 11:30 AM, Lew Sayre wrote: Yo, Tom, et. al. please do keep taking this seriously! Most of us on this
- /archives//html/Topband/2012-12/msg00473.html (14,528 bytes)
- 13. Re: Topband: KLM antennas on shunt fed towers (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Wed, 26 Dec 2012 12:36:17 -0800
- A little different version of this question - is there any general guidance about what to do with pickup on other antennas when transmitting? Shunt the pickup to a dummy load? short? open? something
- /archives//html/Topband/2012-12/msg00594.html (10,036 bytes)
- 14. Topband: Radials and concrete (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Sat, 29 Dec 2012 19:24:30 -0800
- Can I incorporate reinforced concrete and a steel building into a radial field? About 20% of my 60 buried radials from a grounded tower will encounter concrete pads/driveway before they get to the "t
- /archives//html/Topband/2012-12/msg00612.html (8,046 bytes)
- 15. Re: Topband: Reversible BOG? (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Sat, 12 Jan 2013 08:34:01 -0800
- The reversible single coax Beverage is described in ON4UN 's Low Band DXing at least editions 4 & 5. I've built a couple elevated ones from ebay RG58 and they work fine. I think RG6/RG59 would work a
- /archives//html/Topband/2013-01/msg00083.html (7,383 bytes)
- 16. Topband: elevated radials dilemma (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Wed, 20 Feb 2013 08:58:32 -0800
- My top loaded "T" top band vertical is up. 85' vertical, 43' each side "T" and 3 elevated 123' radials at 10 to 12'. Resonance Z is currently 36 ohms and 90KHz 2:1 swr BW. EZNEC+ shows a resonance Z
- /archives//html/Topband/2013-02/msg00157.html (7,516 bytes)
- 17. Re: Topband: CQ 160M SSB CONTEST (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Mon, 25 Feb 2013 09:38:52 -0800
- My first and maybe my last 160m SSB effort. It did motivate me to get a 160 antenna up. I would agree that participation is thin. Worked most states but no !!! W1's (only weakly heard 2) & VE's & a f
- /archives//html/Topband/2013-02/msg00173.html (8,200 bytes)
- 18. Re: Topband: Elevated Radials (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Sat, 02 Mar 2013 20:23:15 -0800
- Tom, Great stuff! Could you elaborate on a couple of points - 1. I would think that a system with elevated radials that slope upward towards the far ends (e.g for 160m 10' at feedpoint and 30' at far
- /archives//html/Topband/2013-03/msg00014.html (14,574 bytes)
- 19. Re: Topband: ALUMANIZED STEEL (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Wed, 06 Mar 2013 15:15:57 -0800
- Bought some, but what I received is so hard it is near impossible to bend. The 9ga solid Al fencing wire seems like a better alternative, although I've been using the 13ga for elevated radials. They
- /archives//html/Topband/2013-03/msg00050.html (7,697 bytes)
- 20. Re: Topband: Low Band DXing?? (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Sun, 10 Mar 2013 22:27:31 -0700
- The book is a pdf so the OS shouldn't matter. The SW on the CD is one DOS program, so the OS needs to run or emulate DOS. Grant KZ1W I would like to buy the latest edition on ON4UN's Low Band DXing w
- /archives//html/Topband/2013-03/msg00084.html (7,845 bytes)
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