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1. Re: Topband: Topband loaded dipole? (score: 1)
Author: <donovanf@starpower.net>
Date: Thu, 23 Jul 2009 17:54:33 -0400 (EDT)
I have a full size 160M horizontal dipole -- 120 feet high -- and an array of four 1/4 wavelength verticals with an extensive buried radial system. Except on rare occasions, DX signals are always at
/archives//html/Topband/2009-07/msg00104.html (8,420 bytes)

2. Re: Topband: "T"-Top Vertical Antennas (score: 1)
Author: <donovanf@starpower.net>
Date: Sat, 25 Jul 2009 13:08:40 -0400 (EDT)
A further description of the 1BCG station can be found here http://www.radioclubofamerica.org/history.php?page=1921.html 73 Frank W3LPL -- Original message -- ________________________________________
/archives//html/Topband/2009-07/msg00120.html (9,704 bytes)

3. Re: Topband: "T"-Top Vertical Antennas (score: 1)
Author: <donovanf@starpower.net>
Date: Sun, 26 Jul 2009 15:37:36 -0400 (EDT)
Paul, The snippet quoted from the Proceedings is the root of the confusion about the 1BCG antenna. The 78 page Proceedings documents the antenna, the entire station, and Godley's DXpedition to Scotla
/archives//html/Topband/2009-07/msg00135.html (11,649 bytes)

4. Topband: FK8CP Needs Parts for his 160M station (score: 1)
Author: <donovanf@starpower.net>
Date: Tue, 15 Sep 2009 08:25:56 -0400 (EDT)
see e-mail from W3YY below: I recently received a QSL card from Remi, FK8CP, for QSO's on 160, 80, and 17-meters. (I especially love that 160 contact!) He included a letter describing his needs for s
/archives//html/Topband/2009-09/msg00057.html (7,505 bytes)

5. Re: Topband: Need assistance with 160m Marconi (score: 1)
Author: <donovanf@starpower.net>
Date: Sat, 19 Sep 2009 11:57:03 -0400 (EDT)
Hi Paul, As a rule of thumb, the length of the vertical wire and half of the T top should be approximately 135 feet total. Your antenna is too short, its probably resonant at approximately 2.5 MHz. Y
/archives//html/Topband/2009-09/msg00079.html (9,239 bytes)

6. Topband: Gold Plated AC Outlets Accelerate W3UR's Quest for TB DXCC-300 (score: 1)
Author: <donovanf@starpower.net>
Date: Mon, 2 Nov 2009 07:43:54 -0500 (EST)
My neighbor W3UR secretly installed several of these in his shack a few months ago. He worked H44MY last month but I could't even hear him, and Bernie and I share the same antennas! http://www.parts-
/archives//html/Topband/2009-11/msg00028.html (7,426 bytes)

7. Re: Topband: F connector question (score: 1)
Author: <donovanf@starpower.net>
Date: Thu, 19 Nov 2009 19:26:25 -0500 (EST)
75 ohm BNC connectors are specialized connectors used primarily above 100 MHz by in high definition television production studios, telephone, and satellite communications industries. Unless you work
/archives//html/Topband/2009-11/msg00385.html (9,370 bytes)

8. Re: Topband: Interesting Observation (score: 1)
Author: <donovanf@starpower.net>
Date: Wed, 3 Feb 2010 22:33:45 -0500 (EST)
Hi Ed, My 160 meter 4-square array uses two 125 foot towers and two vertical wires suspended from catenaries. When I initially tuned the array I discovered that the resonant frequency of the wire ele
/archives//html/Topband/2010-02/msg00056.html (9,870 bytes)

9. Re: Topband: PORTABLE RX ANTENNAS (score: 1)
Author: <donovanf@starpower.net>
Date: Thu, 29 Jul 2010 00:45:39 -0400 (EDT)
Hi Bill, Each of the verticals in the W5ZN eight-circle array is designed to be guyed with four guy wires. The upper 25 feet of the guys form a top hat that is an intergal part of the antenna. The ve
/archives//html/Topband/2010-07/msg00120.html (8,726 bytes)

10. Re: Topband: Height of Beverage-Driveway (score: 1)
Author: <donovanf@starpower.net>
Date: Fri, 8 Oct 2010 09:52:26 -0400 (EDT)
Hi Mike, Raising your Beverage by a few feet over a short distance will have no affect at all. 73 Frank W3LPL -- Original message -- _______________________________________________ UR RST IS ... ...
/archives//html/Topband/2010-10/msg00035.html (8,780 bytes)

11. Re: Topband: radials (score: 1)
Author: <donovanf@starpower.net>
Date: Thu, 4 Nov 2010 16:45:00 -0400 (EDT)
Hi Brendan, You'll have an arcing problem if you lay chicken wire directly on radials with no insulation. You could avoid this if you bond the radials to the outer edge of the chicken wire, but this
/archives//html/Topband/2010-11/msg00013.html (9,210 bytes)

12. Re: Topband: Preferred Topband transceiver (score: 1)
Author: <donovanf@starpower.net>
Date: Tue, 7 Dec 2010 09:10:55 -0500 (EST)
Larry, Diversity reception with the two identical K3 receivers takes essentially no extra effort. In diversity mode, the two receivers are locked together and any tuning or bandwidth change made on o
/archives//html/Topband/2010-12/msg00040.html (15,197 bytes)

13. Topband: High Efficiency Furnace RFI? (score: 1)
Author: <donovanf@starpower.net>
Date: Sat, 15 Jan 2011 11:43:37 -0500 (EST)
In the last few weeks a new strong variable frequency 100% duty cycle RFI source suddenly appeared on 160 meters, radiated from a home one mile southeast of my QTH 24 hours per day. The RFI peaks in
/archives//html/Topband/2011-01/msg00066.html (9,443 bytes)

14. Re: Topband: First attempt at beverage antenna, not working as expected (score: 1)
Author: <donovanf@starpower.net>
Date: Sun, 16 Jan 2011 10:43:54 -0500 (EST)
Hi Rick, Obviously something is very wrong with your new Beverage. While your Beverage is too short for really good performance on 160 meters, it should perform very well on 80 and 40 meters. Please
/archives//html/Topband/2011-01/msg00076.html (10,107 bytes)

15. Re: Topband: First attempt at beverage antenna, not working as expected (score: 1)
Author: <donovanf@starpower.net>
Date: Mon, 17 Jan 2011 12:38:19 -0500 (EST)
Mark, While "The Benchmark Beverage" makes interesting reading, it conflicts significantly with years of practical Topband experience. The credibility of "The Benchmark Beverage" suffers badly becaus
/archives//html/Topband/2011-01/msg00089.html (12,473 bytes)

16. Topband: 160 Meter RFI - found another ham with nearly identical RFI (score: 1)
Author: <donovanf@starpower.net>
Date: Tue, 18 Jan 2011 21:31:02 -0500 (EST)
I'm not the only ham with this 160 meter RFI. W2GPS and I were discussing this today, and Rick recalled that he's seen nearly identical RFI on 160 meters at his QTH 30 miles from here for several yea
/archives//html/Topband/2011-01/msg00100.html (9,194 bytes)

17. Re: Topband: 160 Meter RFI - found another ham with nearly identical RFI (score: 1)
Author: <donovanf@starpower.net>
Date: Tue, 18 Jan 2011 23:18:43 -0500 (EST)
Hi Bob, W2GPS are not hearing the same RFI source, we are hearing two RFI sources with nearly identical characteristics. I have successfully identified the source of my RFI. W2GPS isn't very concerne
/archives//html/Topband/2011-01/msg00101.html (12,706 bytes)

18. Re: Topband: Exciting noise sources (score: 1)
Author: <donovanf@starpower.net>
Date: Sun, 27 Mar 2011 12:24:47 -0400 (EDT)
Hi Larry, Congratulations on finding that neutral arc! I've never had any difficulty isolating neutral arcs to an individual pole by using a 400 MHz receiver, but your experience may be different tha
/archives//html/Topband/2011-03/msg00073.html (12,302 bytes)

19. Topband: SK: W9SU, Owner of Industrial Communication Engineers (ICE) (score: 1)
Author: <donovanf@starpower.net>
Date: Thu, 31 Mar 2011 10:39:15 -0400 (EDT)
http://www.arrl.org/news/owner-of-industrial-communication-engineers-mike-koss-w9su-sk _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
/archives//html/Topband/2011-03/msg00089.html (7,892 bytes)

20. Re: Topband: Antenna Matching Question (score: 1)
Author: <donovanf@starpower.net>
Date: Thu, 1 Sep 2011 11:58:34 -0400 (EDT)
Phil, How about using a selsyn to turn your capacitor? It will require some RF isolation, but that shouldn't be hard. 73 Frank W3LPL -- Original message -- ___________________________________________
/archives//html/Topband/2011-09/msg00004.html (9,691 bytes)


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