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Total 620 documents matching your query.

1. Topband: How much does top loading help? (score: 1)
Author: (Herbert Schoenbohm)
Date: Sat, 11 Jan 2003 10:38:02 -0400
For the past week on 160 meters I have been agonizing over the inability to be heard in Europe. My 500 foot east Beverage has been a thrill to listening to but calling RA3DOX for an hour and still no
/archives//html/Topband/2003-01/msg00058.html (8,812 bytes)

2. Topband: Low Band Chat (score: 1)
Author: (Herbert Schoenbohm)
Date: Sat, 11 Jan 2003 11:03:37 -0400
This is an awesome service. At first I have trouble registering because at 4 unit grid square locater will not work. I just added FZ to FK77(FZ)and it works fine. It is also fascinating to see all th
/archives//html/Topband/2003-01/msg00059.html (8,358 bytes)

3. Topband: Top Loading Summary (score: 1)
Author: (Herb Schoenbohm)
Date: Fri, 17 Jan 2003 12:47:35 -0400
Dear Fellow Topbanders: After miserable performance with my shunt 76 foot Rohn 25G (like calling a 599 RA6AX for an hour and a half without a contact) I sent an e-mail to this reflector about my amaz
/archives//html/Topband/2003-01/msg00114.html (10,696 bytes)

4. Topband: inverted L question (score: 1)
Author: (Herbert Schoenbohm)
Date: Mon, 20 Jan 2003 18:10:22 -0500
Bruce, The longer you make your horizontal run the worse things get with respect to a low radiation angle and wasted power skyward. My suggestion for an inverted L is to fold back the top horizontal
/archives//html/Topband/2003-01/msg00168.html (7,326 bytes)

5. Topband: Last Night on 160 (score: 1)
Author: (Herbert Schoenbohm)
Date: Mon, 20 Jan 2003 18:47:58 -0400
Dear Fellow TopBanders: In all my years on 160 I have never heard anything like it for a non contest night. In a few hours last night parked on 1.823Khz I was working waves of Europeans almost like 4
/archives//html/Topband/2003-01/msg00169.html (7,894 bytes)

6. Topband: Thanks to all who helped make it possible (score: 1)
Author: (Herbert Schoenbohm)
Date: Wed, 04 Dec 2002 21:09:07 -0400
Please accept my heartfelt appreciation to all the many topband enthusiasts who wrote such wonderful leters supporting my license application. Today the FCC granted my application and issued NP2MJ ou
/archives//html/Topband/2002-12/msg00066.html (7,066 bytes)

7. Topband: propagation during the Stew Perry test (score: 1)
Author: (Herbert Schoenbohm)
Date: Tue, 31 Dec 2002 07:24:41 -0400
Thanks for the report Rick. Yes KV4FZ was granted the day before the SP contest. 73 Herb Schoenbohm, KV4FZ -- StripMime Report -- processed MIME parts -- multipart/alternative text/plain (text body -
/archives//html/Topband/2002-12/msg00315.html (9,180 bytes)

8. Topband: No ears (score: 1)
Author: (Herbert Schoenbohm)
Date: Fri, 01 Nov 2002 08:57:41 -0500
Charles; If loops, pennants, or flags can't work for you because of your close proximity to high power AM broadcast stations you might consider a remote receiver computer controlled in a quiet locati
/archives//html/Topband/2002-11/msg00005.html (7,483 bytes)

9. Topband: Inverted L by the sea (score: 1)
Author: (Herbert Schoenbohm)
Date: Wed, 02 Oct 2002 20:46:21 -0400
Steve, I had a similar problem when I worked for WIRA in Ft. Pierce, FL wherein a pier on the Inter Costal Waterway support their AM tower. The base current would change significantly with the tidal
/archives//html/Topband/2002-10/msg00006.html (7,324 bytes)

10. Topband: Re: Topband: Shielded, Balanced Flag (score: 1)
Author: (Herbert Schoenbohmj)
Date: Tue, 27 Aug 2002 09:19:58 -0400
I found that by feeding a pennant with a 1/4 wave (electrical) of 300 ohm twin lead and then a short run of RG-58 with a choke coil of 30 turns worked exceptionally well for me. This takes care of th
/archives//html/Topband/2002-08/msg00100.html (7,104 bytes)

11. Topband: Balloon vertical antenna (score: 1)
Author: (Herb Schoenbohm)
Date: Thu, 18 Jul 2002 06:30:06 -0300
Mac, Fair Radio Sales in Ohio still have a 300 foot roll of #2 wire designed for their ballon antennas. It is only 3 lbs in total weight and if your ballon will lift that you will be close to a 5/8 w
/archives//html/Topband/2002-07/msg00120.html (8,597 bytes)

12. Topband: UK: Balloon antennas, where to get balloon and gas (score: 1)
Author: (Herb Schoenbohm)
Date: Sun, 05 May 2002 19:26:55 -0300
Chris, Weather Balloons are available from Fair Radio Sales and Edmund Scientific from reasonable prices. Hydrogen has greater lifting power and is available from most industrial gas suppliers by ren
/archives//html/Topband/2002-05/msg00051.html (8,639 bytes)

13. Topband: Shunt feeding a tower with side mounted yagi (score: 1)
Author: (Herb Schoenbohm)
Date: Mon, 27 May 2002 13:17:40 +0100
Geroge, Depending on the beams size, location on the tower above ground, and the frequency you are using, it could decouple the top portion. Instead of linear loading, a beam at mid point, in my view
/archives//html/Topband/2002-05/msg00172.html (9,031 bytes)

14. Topband: Shunt feeding a tower with side mounted Yagi (score: 1)
Author: (Herb Schoenbohm)
Date: Wed, 29 May 2002 13:55:59 -0300
To create a more effective top hat out of tower top guys, that slant down at no more than 45 degrees, is to connect jumpers around connecting the tower side of each insulator to each other. (A length
/archives//html/Topband/2002-05/msg00198.html (9,433 bytes)

15. Topband: Topbanders Please Help Me (score: 1)
Author: (Herb Schoenbohm)
Date: Mon, 04 Mar 2002 16:45:58 -0400
Dear Fellow Topbanders: The Federal Communications, in the consideration of my request for a amateur license, (WT Docket No. 01-352) is allowing me to submit, in my brief, letters of support as part
/archives//html/Topband/2002-03/msg00047.html (8,424 bytes)

16. Topband: Reactance problem (score: 1)
Author: (Herb Schoenbohm)
Date: Wed, 13 Mar 2002 12:03:34 -0400
Another suggestion is to run the same test after local sunset. Most of the AM stations in the country have a much lower night time power and are required to switch to that after local sunset. Some st
/archives//html/Topband/2002-03/msg00128.html (8,941 bytes)

17. Topband: Antenna Measurements (score: 1)
Author: (Herb Schoenbohm)
Date: Fri, 15 Mar 2002 20:59:07 +0000
Bud, The best impedance bridge for amateur use is the one made by Delta Electronics. It is simply the best for inline operation at moderate power levels. I use one at the radio station I do some work
/archives//html/Topband/2002-03/msg00153.html (7,138 bytes)

18. Topband: Radial wire (score: 1)
Author: (Herb Schoenbohm)
Date: Sat, 16 Mar 2002 22:33:14 +0000
Larry, I have seen 5000 foot spools of French field telephone wire advertised in the Fair Radio Sales catalog. ( I don't recall if it is double of single conductor. I believe
/archives//html/Topband/2002-03/msg00160.html (6,978 bytes)

19. Topband: Status of KV4FZ (score: 1)
Author: (Herb Schoenbohm)
Date: Sun, 13 Jan 2002 10:06:50 -0400
Fellow topbanders I am sorry that I will not be on for the CQ 160 Meter Contest this year. (Many of you worked W8UVZ and K8GG from my place last year as NP2S.) I want to thank all those who signed pe
/archives//html/Topband/2002-01/msg00085.html (8,669 bytes)

20. Topband: Beverage above fenceline? (score: 1)
Author: (Herb Schoenbohm)
Date: Sun, 20 Jan 2002 01:39:25 +0000
Brad, The problem with running a Beverage above a fence line is that it will act more like a long unbalanced transmission line. I think the rule of thumb would be to obtain the most separation possib
/archives//html/Topband/2002-01/msg00145.html (7,211 bytes)

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