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81. Topband: FYI (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Wed, 26 Jan 2000 11:01:34 -0800 (PST); Friends in Radio Land - Among the interesting articles in the March issue of Sky and Telescope are two articles on the aurora and one on solar storms. The auroral photos are quite spectacular and tel; /archives//html/Topband/2000-01/msg00217.html (6,788 bytes)
82. Topband: More from Meanook (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Wed, 1 Dec 1999 06:35:17 -0800 (PST); Friends in Radio Land The Meanook magnetometer data is in and show the quiet part of the last part of November was from the 26th to the 29th, with K-sums down around 2-6. So add the usual 27 days and; /archives//html/Topband/1999-12/msg00006.html (6,602 bytes)
83. Topband: A personal matter (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Thu, 2 Dec 1999 15:32:24 -0800 (PST); Friends in Radio Land - My dear wife, Mary Lou, NM7N, died a year ago today, on her return from the VK9LX DXpedition. She was devoted to amateuur radio and DXing and I just wanted DXers to know of he; /archives//html/Topband/1999-12/msg00033.html (6,661 bytes)
84. Topband: Meager Meanook (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Fri, 17 Dec 1999 03:16:04 -0800 (PST); Friends in Radio Land - The Meanook K-values are in now for the first two weeks of December and the pickings are pretty slim. So the K-sums were 4 and 3 for December 1 and 2; then the K-sums went up; /archives//html/Topband/1999-12/msg00175.html (6,866 bytes)
85. Topband: Thursday (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Thu, 23 Dec 1999 08:36:28 -0800 (PST); Friends in Radio Land After the glowing report of the JA openings in the last few days and improving my antenna situation a wee bit, I crawled out of bed at 1100Z, determined to work a JA. So what ha; /archives//html/Topband/1999-12/msg00278.html (6,786 bytes)
86. Topband: More from Meanook (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Mon, 1 Nov 1999 06:31:57 -0800 (PST); Friends in Radio Land The Meanook data is in now and again, it was not a pretty picture. Some 17 of the K-indices were 5 or greater and 7 of the 16 days in the reporting period (Oct. 15-31) had K-sum; /archives//html/Topband/1999-11/msg00006.html (6,944 bytes)
87. Topband: On Dawn Enhancements (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Mon, 15 Nov 1999 04:53:21 -0800 (PST); Friends in Radio Land - The purpose of this note is to call your attention to a two-year study of dawn enhancements by Nick Hall-Patch, VE7DXR. The study used signals on 1,566 kHz, from the Korean br; /archives//html/Topband/1999-11/msg00082.html (12,698 bytes)
88. Topband: More from Meanook (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Tue, 16 Nov 1999 15:14:40 -0800 (PST); Friends in Radio Land - The Meanook magnetometer data is in and the low daily K-sums were for Nov. 2-5 with 8,5,7,6, respectively. Add the usual 27 days and see what happens. The bad K-sums were for; /archives//html/Topband/1999-11/msg00090.html (6,876 bytes)
89. Topband: Question (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Wed, 17 Nov 1999 16:36:42 -0800 (PST); Friends in Radio Land - I worked T30CW recently and thought that T33CW would be on shortly, after a trip to the new QTH. But nothing has been heard here; am I wrong in expecting their signals to show; /archives//html/Topband/1999-11/msg00096.html (6,578 bytes)
90. Topband: Re: A61AJ (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Sun, 28 Nov 1999 20:49:38 -0800 (PST); World: If you heard A61AJ, please give: The date and time Your antenna From which direction Otherwise, your observation is utterly MEANINGLESS to the rest of us. OK? 73, Bob, NM7M P.S. (de W4ZV) Rath; /archives//html/Topband/1999-11/msg00199.html (6,856 bytes)
91. Topband: More from Meanook (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Mon, 4 Oct 1999 14:37:21 -0700 (PDT); Friends in Radio Land The records from the Meanook magnetometer are in hand now for the period from September 16 to September 30. They are not very pretty. The 8 K-sums for each day ranged from 5 to; /archives//html/Topband/1999-10/msg00019.html (7,161 bytes)
92. Topband: Magnetic Variation and Gyrofrequency (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Thu, 7 Oct 1999 19:52:39 -0700 (PDT); Bob, This has been worked out by a couple of BBC engineers, G.J. Phillips and P. Knight, and published in Proc. IEE, Vol. 112, No. 1, January 1965. The power coupling question is really an aspect of; /archives//html/Topband/1999-10/msg00029.html (7,618 bytes)
93. Topband: More from Meanook (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Mon, 18 Oct 1999 11:28:07 -0700 (PDT); Friends in Radio Land The Meanook magnetometer data is in and, again, it is not a pretty picture. The lowest K-sums were 13, 10, 15 and 7 for October 6-9; after that the K-sums went up into the 30s,; /archives//html/Topband/1999-10/msg00109.html (6,918 bytes)
94. Topband: Meanook mumbles (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Wed, 1 Sep 1999 11:10:11 -0700 (PDT); Friends in Radio Land - The Fall DX season is about to begin and I thought I would give some idea of good days, as suggested by data from the Meanook magnetometer in Canada. But, alas, the news is gr; /archives//html/Topband/1999-09/msg00002.html (9,134 bytes)
95. Topband: Meanook tries (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Thu, 16 Sep 1999 06:00:13 -0700 (PDT); Friends in Radio Land The Meanook data is now in hand for the period Sept 1 - 15. The moderately high level of magnetic disturbance continues, with 15 episodes when K was 6 or higher in that period.; /archives//html/Topband/1999-09/msg00074.html (6,728 bytes)
96. TopBand: Re: 160 LP (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Fri, 5 Feb 1999 08:00:56 -0800 (PST); Hi Tom, Always good to hear from you. But by your remarks, I fear that you do not understand that I am not trying to deal with the LP question using any ionospheric model or software. More to the poi; /archives//html/Topband/1999-02/msg00037.html (10,315 bytes)
97. TopBand: Spotty propagation at dawn? (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Wed, 16 Dec 1998 12:23:14 -0800 (PST); Friends in Radio Land, It's the ozone. See the latest Low Band Monitor. 73, Bob, NM7M -- FAQ on WWW: http://www.contesting.com/topband.html Submissions: topband@contesting.com Administrative requests; /archives//html/Topband/1998-12/msg00152.html (6,554 bytes)
98. TopBand: RE: Poor 160 Conditions (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Thu, 24 Dec 1998 06:39:19 -0800 (PST); Friends in Radio Land, There is more than enough ionization overhead to support 160 meter propagation. Put another way, MUFs are not an issue. Period. But magnetic activity with higher SSNs continues; /archives//html/Topband/1998-12/msg00233.html (9,251 bytes)
99. TopBand: RE: Poor 160 Conditions (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Fri, 25 Dec 1998 10:40:29 -0800 (PST); Hi Tom, In your reply to my note, you said: "Everything I've read indicates signal levels drop as frequency is moved further below the MUF, and the strongest signals occur just below the MUF. It is i; /archives//html/Topband/1998-12/msg00250.html (11,477 bytes)
100. TopBand: RE: Poor 160 Conditions (score: 1): Author: bobnm7m@cnw.com (Robert Brown); Date: Sat, 26 Dec 1998 06:59:43 -0800 (PST); Hello again Tom, Thanks for the reply. Let's see if I can shed some light on your question: about absorption on 160 meters being independent of the things that control MUF. Let's go to the basic matt; /archives//html/Topband/1998-12/msg00259.html (12,127 bytes)

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