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References: [ +from:ac7a@earthlink.net: 12 ]

Total 12 documents matching your query.

1. Topband: W7XC Null Steerer (score: 1)
Author: Thomas Kuehl" <ac7a@earthlink.net (Thomas Kuehl)
Date: Sun, 15 Dec 2002 19:09:29 -0700
Howdy, I've been considering the purchase of a MFJ-1026, but my first preference would be to build my own. That is if I can build one that has better performance than the MFJ unit. Back in July 1994
/archives//html/Topband/2002-12/msg00213.html (6,931 bytes)

2. Topband: Preamp shielding (score: 1)
Author: "Thomas Kuehl" <ac7a@earthlink.net>
Date: Sun, 21 Sep 2003 19:28:05 -0700
Hello, I am in the process of constructing a K9AY loop antenna and have some questions about shielding for the preamp. My plans call for using the W7IUV preamp circuit and locating it at the antenna.
/archives//html/Topband/2003-09/msg00090.html (7,121 bytes)

3. Re: Topband: Antenna on small lot (score: 1)
Author: ac7a@earthlink.net
Date: Sat, 27 Sep 2003 10:45:51 -0700 (GMT-07:00)
Hal, There are many of us on 160 meters who sucessfully operate with pint-size antennas. My antenna is a modest 45' tall and it allows me to enjoy the band. Although a vertical, it also occupies some
/archives//html/Topband/2003-09/msg00124.html (8,765 bytes)

4. Topband: Ten Tec Jupiter (score: 1)
Author: "Thomas Kuehl" <ac7a@earthlink.net>
Date: Sat, 1 Nov 2003 15:28:53 -0700
I have been using a Ten Tec Omni-V for the 160 contests, for the past 12 years. Although the receiver performance is quite good it lacks a lot of the enhancements that DSP based radios offer today. I
/archives//html/Topband/2003-11/msg00013.html (7,379 bytes)

5. Re: Topband: Conditions in ARRL 160 Contest (score: 1)
Author: "Thomas Kuehl" <ac7a@earthlink.net>
Date: Sun, 7 Dec 2003 16:12:12 -0700
Ken, I am next door in Arizona, and found the conditions to the east were about the same both nights. I didn't notice any increased difficulty working the right half of the country the second night.
/archives//html/Topband/2003-12/msg00040.html (8,213 bytes)

6. Topband: Transceiver Key Clicks (score: 1)
Author: "Thomas Kuehl" <ac7a@earthlink.net>
Date: Mon, 5 Jan 2004 18:21:04 -0700
Hi, I've been viewing on line the February 2004, QST review of the Elecraft K2/100 transceiver. It is available on the ARRL members site. The article shows an oscilloscope image of the keying wavefor
/archives//html/Topband/2004-01/msg00046.html (7,642 bytes)

7. Topband: Transceiver Key Clicks - Thanks for inputs! (score: 1)
Author: "Thomas Kuehl" <ac7a@earthlink.net>
Date: Tue, 6 Jan 2004 19:43:56 -0700
All, Thanks goes to many of you for your many inputs on the Omni VI+ and K2/100 keying characteristics. The information is very helpful in my radio selection process. It is clear that the both radios
/archives//html/Topband/2004-01/msg00071.html (8,793 bytes)

8. Re: Topband: dynamic range (score: 1)
Author: "Thomas Kuehl" <ac7a@earthlink.net>
Date: Thu, 5 Feb 2004 19:39:34 -0700
This brings up some questions that I have... When calibrating an S-meter for 50uV equal to S9 the signal generator should be terminated into a 50 Ohm load, for best accuracy . However, when a receive
/archives//html/Topband/2004-02/msg00094.html (9,447 bytes)

9. Re: Topband: Tophat? Does it have to be at the top? (score: 1)
Author: "Thomas Kuehl" <ac7a@earthlink.net>
Date: Sun, 6 Jun 2004 10:58:49 -0700
Bill, The capacity hat should only be placed at the top of the vertical element. Placing the hat any lower on the element essentially chokes off any current flow above the hat making the antenna elec
/archives//html/Topband/2004-06/msg00011.html (8,659 bytes)

10. Topband: Quieting the transmit antenna duirng receive (score: 1)
Author: "Thomas Kuehl" <ac7a@earthlink.net>
Date: Fri, 1 Oct 2004 19:07:45 -0700
Hi, I am getting serious about installing a K9AY receiving loop. I've been told that one should "quiet" the vertical transmit antenna when using the receive antenna. Otherwise, it will reradiate the
/archives//html/Topband/2004-10/msg00005.html (7,392 bytes)

11. Topband: W9AC's Omni VI+ key click mod (score: 1)
Author: Thomas Kuehl <ac7a@earthlink.net>
Date: Sun, 23 Jan 2005 14:57:34 -0700
Last year, I sought help from the list regarding key click mod's for the Ten Tec Omni VI + and was directed to Paul's (W9AC) mod. The Omni VI+ has been know for a fast leading edge (<1ms) which resul
/archives//html/Topband/2005-01/msg00276.html (8,905 bytes)

12. Topband: Omni VI Key click mod (score: 1)
Author: Thomas Kuehl <ac7a@earthlink.net>
Date: Wed, 02 Mar 2005 20:51:07 -0700
Sorry to bother the entire list. Will the gentleman who wrote me about performing the Omni VI key click mod please contact me again? I misplaced your message. Thanks, Thomas - AC7A __________________
/archives//html/Topband/2005-03/msg00017.html (6,480 bytes)


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