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21. TopBand: stratwarms (score: 1): Author: k9la@gte.net (Carl K9LA); Date: Fri, 06 Feb 1998 17:58:38 -0800; <Notice WWV report included "stratwarm" which doesn't usually enhance top band signals in northern latitudes - but hang in there.> This subject of stratwarms came up a couple weeks ago, and I was in; /archives//html/Topband/1998-02/msg00069.html (7,236 bytes)
22. TopBand: 160m Contest - Midwest score (score: 1): Author: k9la@gte.net (Carl K9LA); Date: Tue, 27 Jan 1998 17:21:35 -0800; KD9SV multi-op: KA9A, K9LA, KD9SV 911 Qs 56 W/VE 49 DX = 287,805 Transmit antenna - shunt fed tower Receive antennas - 4 Beverages, 4-square Conditions just didn't seem to be as good as last year. Ou; /archives//html/Topband/1998-01/msg00298.html (6,616 bytes)
23. TopBand: CQ WW CW (score: 1): Author: k9la@gte.net (Carl and Vicky); Date: Sat, 06 Dec 1997 07:28:25 -0800; Just a short posting to say THANKS to all who worked ZF1A during CQ WW CW last weekend. ZF1A was a multi-single entry by K1TO, W5ASP, K9MK, and K9LA. We ended up at 12.8M. We didn't do much running o; /archives//html/Topband/1997-12/msg00106.html (6,807 bytes)
24. TopBand: stratwarms (score: 1): Author: k9la@gte.net (Carl and Vicky); Date: Tue, 23 Dec 1997 17:57:01 -0800; With regard to K8SM's and W2PM's recent postings on stratwarms, also check out Technical Correspondence in the Feb 97 issue of QST for the what, where, when, why, and how of stratwarms. Stratwarms ce; /archives//html/Topband/1997-12/msg00284.html (6,850 bytes)
25. TopBand: polarization (score: 1): Author: k9la@gte.net (Carl and Vicky); Date: Sun, 09 Nov 1997 10:20:47 -0800; K6SE correctly stated that the main (forward) lobe of a Beverage is vertically polarized. But Beverages also have side lobes that are horizontally polarized - yes, they?re down in amplitude as compar; /archives//html/Topband/1997-11/msg00124.html (7,803 bytes)
26. TopBand: polarization (score: 1): Author: k9la@gte.net (Carl and Vicky); Date: Mon, 10 Nov 1997 19:16:29 -0800; Tom, In response to your question about why the polarization is dependent on the direction of the wave relative to the earth?s magnetic field, it looks like NM7M beat me to the punch (heavy sigh - th; /archives//html/Topband/1997-11/msg00140.html (7,914 bytes)
27. TopBand: Beverage (score: 1): Author: k9la@gte.net (Carl and Vicky); Date: Mon, 10 Nov 1997 19:38:07 -0800; Carl KM1H (you certainly have a great first name), I?m sure a Beverage does have at least 20dB of rejection to horizontal polarization on the forward vertically polarized lobe. But I wasn?t talking a; /archives//html/Topband/1997-11/msg00143.html (7,519 bytes)
28. TopBand: IV3PRK e-mail (score: 1): Author: k9la@gte.net (Carl, Vicky, David, Sean, and Heidi); Date: Sat, 06 Sep 1997 07:27:20 -0700; Does anyone know IV3PRK's e-mail address? Or perhaps you're on this reflector, Luis. If so, please send me a personal e-mail at <k9la@gte.net>. Thanks to all. Carl K9LA -- FAQ on WWW: http://www.cont; /archives//html/Topband/1997-09/msg00062.html (6,533 bytes)
29. TopBand: CU2 (score: 1): Author: k9la@gte.net (Carl and Vicky); Date: Fri, 12 Sep 1997 00:40:13 -0700; While waiting up to make sure our teenage boys got home by their curfew, I managed to work CU2/DL3KDV at 0527 thru the QRN for a new one. Is this the first documented case of being a concerned parent; /archives//html/Topband/1997-09/msg00096.html (6,382 bytes)
30. Topband: 160m at solar max (score: 1): Author: Carl <k9la@gte.net>; Date: Mon, 08 Mar 2004 18:42:46 -0500; I recently took a look at Tom W8JI's 160m log for the period September 1999 through July 2002 - when the smoothed sunspot number for Cycle 23 was above 100. After deleting Tom's W/VE QSOs, I saw that; /archives//html/Topband/2004-03/msg00100.html (7,763 bytes)
31. Topband: 160m at solar max (score: 1): Author: Carl <k9la@gte.net>; Date: Tue, 09 Mar 2004 18:00:53 -0500; Bill, My point was simply that based on W8JI's log data there's a lot of DX to be worked on 160m around solar maximum, and it appears to be dependent on how high in latitude your paths go. I think th; /archives//html/Topband/2004-03/msg00116.html (9,649 bytes)
32. Topband: 160m at solar max (score: 1): Author: Carl <k9la@gte.net>; Date: Tue, 09 Mar 2004 22:04:58 -0500; Tree, Well, my experience over the past 20 years strongly support a big difference between solar minimum and maximum. But, I am in the high latitude category and the aurora oval sits right between me; /archives//html/Topband/2004-03/msg00119.html (7,360 bytes)
33. Topband: the ionosphere in the sky (score: 1): Author: Carl <k9la@gte.net>; Date: Mon, 15 Mar 2004 21:19:02 -0500; Tom W8JI said The ionosphere in the sky is apparently different than an ionosphere on paper That's a fair statement. The ionosphere 'in the sky' varies quite a bit on a day-to-day basis. This day-to-; /archives//html/Topband/2004-03/msg00196.html (7,577 bytes)
34. Topband: propagation data (score: 1): Author: Carl K9LA <k9la@gte.net>; Date: Mon, 03 Jan 2005 13:53:55 -0500; All, The 3Y team, N0FP, N2XE, VE7BS (an excellent measurement of a sunrise enhancement), and others (I apologize if I left you out) should be commended for their efforts to collect observational data; /archives//html/Topband/2005-01/msg00035.html (8,212 bytes)
35. Topband: sunrise enhancement correction (score: 1): Author: Carl K9LA <k9la@gte.net>; Date: Mon, 03 Jan 2005 20:21:09 -0500; All, In my earlier e-mail, I said VE7BS did a measurement of a sunrise enhancement. That is not correct - I got my VE7s mixed up. Nick VE7DXR did that. Carl K9LA _____________________________________; /archives//html/Topband/2005-01/msg00044.html (6,310 bytes)
36. Topband: Gamma ray bursts (score: 1): Author: Carl K9LA <k9la@gte.net>; Date: Wed, 05 Jan 2005 19:08:00 -0500; W4ZV's posting about GRBs reminded me of the one back in 1998 that was caught on record on a VLF path. Don't know how much it affected 160m, but it sure affected VLF. That GRB passed through our sola; /archives//html/Topband/2005-01/msg00066.html (7,193 bytes)
37. Topband: Sunrise/Sunset Times (score: 1): Author: Carl K9LA <k9la@gte.net>; Date: Fri, 01 Apr 2005 13:23:16 -0500; IMHO the small differences in the tabular data that Bill gave are not important. These are ground level sunrise and sunset times at your QTH based on the above definition. What's important is when th; /archives//html/Topband/2005-04/msg00005.html (8,538 bytes)
38. Topband: reflectivity of the moon (score: 1): Author: Carl K9LA <k9la@gte.net>; Date: Wed, 19 Oct 2005 19:22:56 -0500; The quoted value of 12% is the reflectivity (albedo) of the moon at visible light wavelengths (400 to 700 nm). What's important is the reflectivity at wavelengths that can cause ionization of atomic; /archives//html/Topband/2005-10/msg00161.html (6,610 bytes)
39. Topband: lunar tides (score: 1): Author: Carl K9LA <k9la@gte.net>; Date: Wed, 19 Oct 2005 20:18:26 -0500; "Here is a thought. The phase of the moon has an effect on the ocean tides. There are also tides in the atmosphere as well as atmospheric waves. Structure and motion could affect local electron densi; /archives//html/Topband/2005-10/msg00162.html (7,237 bytes)
40. Topband: the Moon and propagation (score: 1): Author: Carl K9LA <k9la@gte.net>; Date: Tue, 25 Oct 2005 05:04:00 -0500; Bob G3REP asked me to post the following to the reflector: --. As mentioned by K9LA, I had discussions with Emma Woodfield of Liverpool University last year and the conclusions were that Solar and lu; /archives//html/Topband/2005-10/msg00280.html (8,668 bytes)

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