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21. Re: Topband: Testing for common mode noise (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Thu, 25 Aug 2011 07:33:11 -0400
You won't believe what I found last night in the latest edition (5th edition) of the ON4UN Low-Band DXing book related to my proposed common mode noise test. Page 7-109 discusses using a battery powe
/archives//html/Topband/2011-08/msg00067.html (8,628 bytes)

22. Re: Topband: Fabricated common mode chokes - Sourcing (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Wed, 31 Aug 2011 07:02:51 -0400
Paul N1BUG said : Mouser has the Fair-Rite 2.4" #31 core for $7 each. That is the lowest price I have found for small quantities. -- Last week I purchased the 2.4" O.D. 31 mix cores (Fair-Rite part n
/archives//html/Topband/2011-08/msg00082.html (8,193 bytes)

23. Re: Topband: Flag/Pennant Question (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Wed, 30 Nov 2011 08:10:41 -0500 (EST)
-- Pete W2PM wrote : Im starting to compare a half size pennant now pointing to VK from here with a Short bog. Something less than 150 ft. long. So far casual observations areshowing significantly gr
/archives//html/Topband/2011-11/msg00292.html (9,755 bytes)

24. Re: Topband: QRP Question (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Mon, 12 Dec 2011 14:57:49 -0500 (EST)
Let me play the devils advocate and put a spin on why you might want to sign /qrp when calling CQ. 2) You also might want to sign /qrp when calling CQ if you are trying to attract other qrp operators
/archives//html/Topband/2011-12/msg00274.html (9,404 bytes)

25. Re: Topband: T8CC (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Thu, 15 Dec 2011 11:50:18 -0500 (EST)
Hello Mike, Here are the last 100 spots for T8CC on the topband, and really not much reported in the US (nothing from the East Coast at all). 73's Don (wd8dsb) N7TK 1825.5 T8CC 160M PSE 1145 15 Dec P
/archives//html/Topband/2011-12/msg00374.html (12,619 bytes)

26. Re: Topband: Where to place a preamp? Switching Beverages? (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Fri, 20 Jan 2012 12:08:56 -0500 (EST)
-- N4ZR said : I have a 20 dB ARR preamp", "My choice is whether to put it at the antenna end, incurring the added complexity of sending 12V DC to it via the coax, or to put it in the shack." -- Per
/archives//html/Topband/2012-01/msg00208.html (8,815 bytes)

27. Re: Topband: Topband Digest, Vol 109, Issue 36 (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Sat, 21 Jan 2012 10:22:53 -0500 (EST)
-- Jack is a gentleman and good operator. Certainly in EI there are no clicks but perhaps some have such a strong signal that the problem is in their own equipment - it can happen. -- Yep, this often
/archives//html/Topband/2012-01/msg00238.html (7,827 bytes)

28. Re: Topband: Solar Activity & Topband (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Sat, 28 Jan 2012 18:32:41 -0500 (EST)
-- Guy Said : Yet, conditions for transcontinental QSOs here during this weekend's ongoing running of the CQ 160 WW test have been very good...so far, anyway. -- I too observed very good state side c
/archives//html/Topband/2012-01/msg00369.html (8,375 bytes)

29. Re: Topband: Wellbrook receive loop performance (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Wed, 11 Apr 2012 17:41:35 -0400 (EDT)
W2PM said, "A comparison of the Wellbrook product which is a magnetic loop is not a good one to a AY loop or other low angle directive receive antenna. Mag loops are not "directive" in the same way t
/archives//html/Topband/2012-04/msg00086.html (12,021 bytes)

30. Topband: W7IUV preamp builds (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Mon, 4 Jun 2012 08:29:38 -0400 (EDT)
I recently built two W7IUV preamps and have documented my builds on the following website which might be useful for others considering the W7IUV preamp: http://sites.google.com/site/rxpreamps/ I used
/archives//html/Topband/2012-06/msg00028.html (6,974 bytes)

31. Re: Topband: K6STI low noise receive loop (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Tue, 2 Oct 2012 15:31:03 -0400 (EDT)
"there is no "modeling" associated with this effort." Jim, I took a look at the article today and also threw together a basic (simple) EZNEC model and my generated elevation pattern closely resembles
/archives//html/Topband/2012-10/msg00074.html (8,623 bytes)

32. Re: Topband: Spurious Signal on 1810.8 (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Tue, 2 Oct 2012 21:02:32 -0400 (EDT)
Signal S7 in Fishers Indiana (10 miles NE of Indianapolis) tonight at 8:30 pm EDT, and beam heading approximately 100 degrees (equal signal on my pennant beaming 40 degrees and my pennant beaming 160
/archives//html/Topband/2012-10/msg00098.html (9,418 bytes)

33. Re: Topband: Spurious Signal on 1810.8 (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Wed, 3 Oct 2012 03:58:38 -0400 (EDT)
Now peaking S8.5 at 3:45am EDT (0745 UTC) Oct 3rd, and after more listening I would say it's 90 degrees from my location (EM69xx) near Indianapolis based on it being just slightly stronger on average
/archives//html/Topband/2012-10/msg00116.html (10,753 bytes)

34. Re: Topband: 1810 kHz signal (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Wed, 3 Oct 2012 10:38:04 -0400 (EDT)
"If someone here could take a map and plot all of the the data points, thearea from which the signal originates will become clear." I did that this morning using Google Earth, and while the data is n
/archives//html/Topband/2012-10/msg00148.html (7,880 bytes)

35. Re: Topband: W1AW (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Wed, 10 Oct 2012 01:30:45 -0400 (EDT)
I have been looking for them for the past week and I too have not heard w1aw on 160. Even did a search on internet trying to find out why but could not find info. Is W1AW missing from 160 now? I use
/archives//html/Topband/2012-10/msg00214.html (6,833 bytes)

36. Re: Topband: W1AW (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Wed, 10 Oct 2012 09:18:24 -0400 (EDT)
W8JI asked : "Is W1AW missing from 160 now? I use them to calibrate directions." I just checked with the ARRL, and the 160 meter antenna was damaged in a storm and they have been off the air for abou
/archives//html/Topband/2012-10/msg00216.html (7,151 bytes)

37. Re: Topband: 1810 spur status and resolution (score: 1)
Author: Don Kirk <wd8dsb@aol.com>
Date: Wed, 17 Oct 2012 20:00:08 -0400 (EDT)
Full and final details on the recent spurious signal and how it was located can be found on the following website. http://sites.google.com/site/wgymsignal/ 73's Rick K2XT & Don WD8DSB _______________
/archives//html/Topband/2012-10/msg00248.html (7,246 bytes)

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