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Total 87 documents matching your query.

61. Topband: top band operation on Mars (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Mon, 14 Feb 2011 07:15:15 -0800 (PST)
The aussies are always looking at things differently but topband on Mars never occurred  to me as a field for investigation.  The following link shows that maybe a future Stew Perry could be held on
/archives//html/Topband/2011-02/msg00141.html (6,498 bytes)

62. Topband: Sudden Ionospheric Disturbances (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Fri, 25 Feb 2011 15:03:55 -0800 (PST)
The following website has some interesting information that may help us to figure out what goes on in topband propagation It seems to be reasonable to expect that VLF conditions relate to MF conditio
/archives//html/Topband/2011-02/msg00178.html (6,480 bytes)

63. Topband: Exciting noise sources (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Sat, 26 Mar 2011 09:08:59 -0700 (PDT)
Yeaterday K0HGW and myself spent the day with a line crew from the Otero County Electric Cooperative trying to find two noise sources which have plagued them for several months and occasioned numerou
/archives//html/Topband/2011-03/msg00072.html (9,198 bytes)

64. Topband: Just got this by e-mail (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Mon, 4 Apr 2011 14:43:37 -0700 (PDT)
The DXARC DX Colombia Amateur Radio Club HK1NA announces its next expedition to Malpelo Island in 2012 as HK0NA. All efforts have been made by the Colombian group ahead of Team leader Jorge Prieto HK
/archives//html/Topband/2011-04/msg00017.html (6,606 bytes)

65. Topband: Still open from the sound of things (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Tue, 26 Apr 2011 06:15:16 -0700 (PDT)
T31A has been com ing in for several hours the last couple of nights with booming signals  even louder than the continuous lightning crashes from the midwest storms              listening to the pile
/archives//html/Topband/2011-04/msg00128.html (7,950 bytes)

66. Topband: Its not over until its over (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Wed, 15 Jun 2011 05:48:29 -0700 (PDT)
the 2008-2009 top band peaks may be explained here   http://www.spacedaily.com/reports/New_Insights_on_How_Solar_Minimums_Affect_Earth_999.html But there may be a repeat performance in the offing   h
/archives//html/Topband/2011-06/msg00006.html (6,699 bytes)

67. Topband: Field day could be interesting! (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Wed, 22 Jun 2011 06:41:58 -0700 (PDT)
A major solar storm wave front should hit earth this weekend  It might create some wild activity including some low band activatin on its tail edge See the NASA report and movie   http://science.nasa
/archives//html/Topband/2011-06/msg00019.html (6,528 bytes)

68. Topband: T32C with QRP (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Mon, 3 Oct 2011 06:41:13 -0700 (PDT)
This morning T32C was 25 over 9 on1815 and I tried QRP with 1 watt.  He came right back to my call and said I was a real 599 so I dropped my power to a measured 50 milliwatts output and he was able t
/archives//html/Topband/2011-10/msg00004.html (7,100 bytes)

69. Topband: Collins folded monopole (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Mon, 3 Oct 2011 19:39:40 -0700 (PDT)
 Several people have asked about the antenna I am using on top band The antenna is described in detail in the APRIL 1984 CQ magazine starting on page 20 as WHAT LOOKS LIKE A BIRDCAGE FOR A 2000 POUND
/archives//html/Topband/2011-10/msg00012.html (7,048 bytes)

70. Topband: The true ham spirit!!! (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Sun, 1 Jan 2012 13:47:10 -0800 (PST)
  "See if other things blow or burn up."   How could you express it better!!! HNY Larry N7DF   WHEN YOU ARE FACING THE LIGHT THE SHADOWS FALL BEHIND YOU ______________________________________________
/archives//html/Topband/2012-01/msg00008.html (6,816 bytes)

71. Topband: Possible top band anomolies (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Wed, 7 Mar 2012 05:52:42 -0800 (PST)
 At 00:28 UTC on March 7 a major solar flare (X5 level) launched a Coronal Mass Ejection toward earth. It is expected to begin impacting earth's magnetosphere late in the day (UTC) on march 8 or earl
/archives//html/Topband/2012-03/msg00011.html (7,054 bytes)

72. Topband: It is not so much propagation (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Mon, 19 Mar 2012 07:22:09 -0700 (PDT)
 During the summer the storm static is the main obstacle to top band operation here   40 over nine crashes every 30 seconds kind of drown out everything, QRP or QRO In fact the fish beacons still com
/archives//html/Topband/2012-03/msg00168.html (7,111 bytes)

73. Topband: This could be a rig saver (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Tue, 1 May 2012 08:47:18 -0700 (PDT)
 http://www.austriamicrosystems.com/Products/RF-Products/Lightning-Sensor/AS3935    WHEN YOU ARE FACING THE LIGHT THE SHADOWS FALL BEHIND YOU _______________________________________________ UR RST IS
/archives//html/Topband/2012-05/msg00000.html (6,125 bytes)

74. Topband: ant control (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Thu, 24 May 2012 05:04:03 -0700 (PDT)
 A very effective and simple method of controlling ants in outdoor boxes is to place some pipe tobacco in the box Ants are smart enough to keep away from the stuff! __________________________________
/archives//html/Topband/2012-05/msg00213.html (6,945 bytes)

75. Topband: portals that may affect propagation (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Fri, 29 Jun 2012 15:49:47 -0700 (PDT)
 http://www.youtube.com/watch?v=y3_vW5yrNek _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
/archives//html/Topband/2012-06/msg00245.html (6,514 bytes)

76. Topband: you think you have interference problems (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Tue, 31 Jul 2012 06:24:41 -0700 (PDT)
 I live in the Sacremento Mountains of southern New Mexico overlooking the White Sands Missile Range. Frequently there are weird signals from the tests being conducted there that impact the amateur b
/archives//html/Topband/2012-07/msg00408.html (9,046 bytes)

77. Topband: Threading radials (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Thu, 16 Aug 2012 16:22:13 -0700 (PDT)
I have found that 20 foot lengths of 1/2 inch PVC pipe works very well in getting radial wires through, around and under the very prickly shrubbery that gets in the way here in the New Mexico desert.
/archives//html/Topband/2012-08/msg00244.html (6,598 bytes)

78. Topband: earthsongs and killer electrons (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Mon, 1 Oct 2012 04:07:01 -0700 (PDT)
 May explain some of the really weird QRN we hear from time to time http://www.youtube.com/watch?v=MkTL2Ug6llE  WHEN YOU ARE FACING THE LIGHT THE SHADOWS FALL BEHIND YOU _____________________________
/archives//html/Topband/2012-10/msg00000.html (6,204 bytes)

79. Topband: Flasher in the sky (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Mon, 8 Oct 2012 05:14:11 -0700 (PDT)
Not exactly top band but definitely different   Japan mini-satellite to flash code from space by Staff Writers Tokyo (AFP) Oct 5, 2012 A palm-sized Japanese satellite in orbit around Earth will flash
/archives//html/Topband/2012-10/msg00191.html (7,888 bytes)

80. Topband: weird propagation in the offing (score: 1)
Author: N7DF <n7df@yahoo.com>
Date: Sun, 9 Dec 2012 17:02:18 -0800 (PST)
The interplanetary magnetic field has been south oriented for the last several hours (as of 0100Z Dec 10)  This opens magnetic portals which can permit charged particles from the sun to penetrate dee
/archives//html/Topband/2012-12/msg00283.html (7,145 bytes)


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