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1. Topband: Need help on KD9SV preamp article.... (score: 1)
Author: Floyd Sense" <sentek@sprintmail.com (Floyd Sense)
Date: Mon, 6 Jan 2003 20:25:15 -0500
Bought the circuit board for the KD9SV 160 Meter preamp from FAR and had them send me a copy of the October 1989 Ham Radio article on same. Unfortunately, the copy of page 48 of the article is extrem
/archives//html/Topband/2003-01/msg00036.html (7,063 bytes)

2. Topband: Need help on KD9SV preamp article.... (score: 1)
Author: Floyd Sense" <sentek@sprintmail.com (Floyd Sense)
Date: Tue, 7 Jan 2003 06:59:24 -0500
Thanks to all those who responded to my request. The info is on the way! K8AC Floyd Sense in Angier, NC
/archives//html/Topband/2003-01/msg00037.html (6,843 bytes)

3. Topband: Transistors for the KD9SV preamp (score: 1)
Author: Floyd Sense" <sentek@sprintmail.com (Floyd Sense)
Date: Thu, 16 Jan 2003 16:06:42 -0500
I've located a source for NTE455 transistors (replacement for the 3SK88 used in the preamp) and should have a limited quantity of them in my hands shortly. I'll sell off what I don't need myself. If
/archives//html/Topband/2003-01/msg00093.html (6,705 bytes)

4. Topband: Electric Fence QRM (score: 1)
Author: Floyd Sense" <sentek@sprintmail.com (Floyd Sense)
Date: Sun, 1 Dec 2002 19:36:06 -0500
I spent a lot of time last year fighting a very loud ticking noise from a nearby electric fence. The noise was a sharp pulse every second, and I could not pinpoint the direction. When I was finally a
/archives//html/Topband/2002-12/msg00012.html (8,130 bytes)

5. Topband: This morning's signal levels... (score: 1)
Author: Floyd Sense" <sentek@sprintmail.com (Floyd Sense)
Date: Sat, 28 Dec 2002 08:32:54 -0500
The signal levels from EU around 0500 this morning were the strongest I've EVER heard in NC. DF2PY at 0542 was driving the S-meter on my IC-765 to 10 over S9 and sounded like an east coast station he
/archives//html/Topband/2002-12/msg00281.html (6,827 bytes)

6. Topband: DSP for random noise (score: 1)
Author: sentek@sprintmail.com (Floyd Sense)
Date: Thu, 14 Nov 2002 18:45:56 -0500
I run the audio from my IC-765 through a Timewave DSP-599zx and then through an Autek QF-1A audio filter. I've found the DSP noise reduction to be rarely worth the trouble, but there have been a coup
/archives//html/Topband/2002-11/msg00080.html (7,471 bytes)

7. Topband: Top loading coil (score: 1)
Author: sentek@sprintmail.com (Floyd Sense)
Date: Sun, 18 Aug 2002 15:46:17 -0400
Mine is enclosed in a clear plastic tube of about 4" diameter. K8AC
/archives//html/Topband/2002-08/msg00045.html (6,417 bytes)

8. Topband: TEN-TEC IS LISTENING! (score: 1)
Author: sentek@sprintmail.com (Floyd Sense)
Date: Sat, 09 Mar 2002 19:43:17 -0500
I attended the Charlotte hamfest today, and had a chance to look over the Orion prototype and twist the knobs. I really would like to buy a Ten-Tec rig (for the serviceability aspect), and I have no
/archives//html/Topband/2002-03/msg00085.html (9,661 bytes)

9. Topband: K9AY loop results (score: 1)
Author: sentek@sprintmail.com (Floyd Sense)
Date: Sun, 10 Mar 2002 22:05:22 -0500
I am just finishing up my first season with the K9AY loop - no other directional antennas on the low bands. I erected two loops at right angles, and use a Vactrol device to vary the termination resis
/archives//html/Topband/2002-03/msg00092.html (8,051 bytes)

10. Topband: Source of Vactrol device for K9AY loop (score: 1)
Author: sentek@sprintmail.com (Floyd Sense)
Date: Mon, 11 Mar 2002 12:48:13 -0500
I've received several emails about a source for the Vactrol device I mentioned for the termination resistance in the K9AY loops. I used the VTL5C4 device ( as shown in all the related websites), whic
/archives//html/Topband/2002-03/msg00101.html (7,344 bytes)

11. Topband: Noise cancellers (score: 1)
Author: sentek@sprintmail.com (Floyd Sense)
Date: Tue, 12 Feb 2002 10:59:39 +0000
I have an MFJ1026, but not currently using it on 160. I found it to be very effective on highly localized noise sources. For example, my RCA TV has a very noisy power supply (which is ALWAYS on) and
/archives//html/Topband/2002-02/msg00047.html (7,043 bytes)

12. Topband: K9AY antenna observations (score: 1)
Author: sentek@sprintmail.com (Floyd Sense)
Date: Mon, 10 Dec 2001 11:20:31 -0500
I was able to get my new K9AY loops installed and working just before the contest this weekend. I spent quite a bit of time listening on 160, 80, 40, and the AM broadcast band. I used two loops at ri
/archives//html/Topband/2001-12/msg00038.html (8,570 bytes)

13. Topband: Listening to an electric fence.... (score: 1)
Author: sentek@sprintmail.com (Floyd Sense)
Date: Fri, 21 Sep 2001 15:58:27 -0400
Well, it's approaching low-band time here in eastern NC as the QRN is beginning to slack off. Now I'm left with listening to what I think is electric fence noise and need to get that resolved soon. W
/archives//html/Topband/2001-09/msg00112.html (7,615 bytes)

14. Topband: Listening to an electric fence... (score: 1)
Author: sentek@sprintmail.com (Floyd Sense)
Date: Fri, 21 Sep 2001 17:16:50 -0400
Thanks to all who responded so quickly. I'm sure the fence owner will be cooperative in finding the problem(s). However, in this area, grass and weeds can grow inches a day in the summertime, so this
/archives//html/Topband/2001-09/msg00114.html (7,059 bytes)

15. Topband: Preamp? (score: 1)
Author: sentek@sprintmail.com (Floyd Sense)
Date: Sat, 25 Aug 2001 15:16:59 -0400
Guess I'm going to need a preamp for work with terminated loops this fall. Can anyone point me to a design for a stable preamp? K8AC Floyd Sense - Angier, NC
/archives//html/Topband/2001-08/msg00106.html (6,174 bytes)

16. Topband: Topband impossible from this QTH ? (score: 1)
Author: sentek@sprintmail.com (Floyd Sense)
Date: Wed, 7 Feb 2001 09:45:28 -0500
I'll address only the antenna, you'll have to come up with the ground system. For a number of years, I used a 36 foot freestanding top/bottom loaded vertical on 160 with great success. The antenna ap
/archives//html/Topband/2001-02/msg00032.html (8,452 bytes)

17. Topband: A broadband short vertical (score: 1)
Author: sentek@sprintmail.com (Floyd Sense)
Date: Thu, 8 Feb 2001 09:37:14 -0500
A shortened vertical on 160 need not mean very narrow bandwidth. While searching my antenna books for ideas on a new 160 vertical last month, I ran across a Doug DeMaw design called the "W1FB 160 Met
/archives//html/Topband/2001-02/msg00038.html (9,822 bytes)

18. Topband: Documentation on the short 160 vertical... (score: 1)
Author: sentek@sprintmail.com (Floyd Sense)
Date: Thu, 15 Feb 2001 20:53:11 -0500
I received a few inquiries on the structure of this antenna after posting some info on it last week. I've scanned the page that shows the drawing and the accompanying text and posted it at this URL:
/archives//html/Topband/2001-02/msg00058.html (6,954 bytes)

19. Re: Topband: Budget Rig Performance ?. (score: 1)
Author: "Floyd Sense" <sentek@sprintmail.com>
Date: Wed, 26 Nov 2003 19:43:43 -0500
Paul - you might want to take a look at the Elecraft K2. If you're up to constructing a kit, you might be satisfied with the K2. I'm in my second month of evaluating one in my station, and haven't fo
/archives//html/Topband/2003-11/msg00191.html (8,065 bytes)

20. Re: Topband: Receive Antenna/Rig Protection Box ? Archive (score: 1)
Author: "Floyd Sense" <sentek@sprintmail.com>
Date: Tue, 2 Dec 2003 22:29:54 -0500
Here's a link to a site with the KD9SV box - http://www.radiobooks.com/products/fes.htm I use one here, and it works fine with my IC-765 and AL-800H. The Elecraft K2 can't handle the extra switching
/archives//html/Topband/2003-12/msg00017.html (8,608 bytes)


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