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Total 1798 documents matching your query.

61. Topband: 160M/80M Vertical - Using a capacity hat below a trap (score: 1)
Author: rich kennedy via Topband <topband@contesting.com>
Date: Wed, 1 Oct 2014 05:15:50 -0700
Im finalizing design for my 160M/80M shortened wire tree-mounted vertical. An Unadilla 80M trap will be placed approx. 65 feet above the feedpoint; above the trap is another 20 feet with a small cap
/archives//html/Topband/2014-10/msg00000.html (7,115 bytes)

62. Topband: [Topband] 160M/80M Vertical - using a capacity hat below a trap (score: 1)
Author: rich kennedy via Topband <topband@contesting.com>
Date: Fri, 3 Oct 2014 13:25:08 +0000 (UTC)
Thanks to the following who responded to the below question: George, W8UVZCarl, KM1HTom, W8JIRoger, N1RJ 73, Rich, K3VAT Im finalizing design for my 160M/80M shortened wire tree-mounted vertical.  An
/archives//html/Topband/2014-10/msg00005.html (8,220 bytes)

63. Topband: 160 mts try with LU2DKT (score: 1)
Author: Eduardo Araujo via Topband <topband@contesting.com>
Date: Fri, 17 Oct 2014 12:41:01 -0700
Hello topbanders, trying to be ready for CQWWSSB next weekend, I am planning to go to the station a few days before the contest to get the station in order, specially the new antennas. So, in spite o
/archives//html/Topband/2014-10/msg00082.html (7,154 bytes)

64. Topband: what happened to SP (score: 1)
Author: N7DF via Topband <topband@contesting.com>
Date: Mon, 20 Oct 2014 16:52:59 -0700
The NASA solar observatory reported that an X1 class solar flare occurred at o500Z on October 19 resulting in a geomagnetic storm that lasted until 1100Z During this period earth's ionosphere was sev
/archives//html/Topband/2014-10/msg00097.html (6,689 bytes)

65. Topband: Pre-Stew (score: 1)
Author: Phil Hartwell via Topband <topband@contesting.com>
Date: Wed, 22 Oct 2014 07:12:11 +0800
G'day All, I was planing to participate in the Stew, unfortunately severe thunderstorm activity in VK6 made it impossible to hear any DX. I will be there for the Big Stew, QRN permitting. 73, Phil VK
/archives//html/Topband/2014-10/msg00101.html (6,564 bytes)

66. Re: Topband: The Stew (score: 1)
Author: Russ Tobolic via Topband <topband@contesting.com>
Date: Wed, 22 Oct 2014 07:01:34 -0700
Hello Gary, I have been using the K9AY loops for several years and am very happy with the performance but always looking for more. Is there anything critical about the placement of the radials, i.e.
/archives//html/Topband/2014-10/msg00102.html (9,029 bytes)

67. Topband: just in time for CQWW (score: 1)
Author: N7DF via Topband <topband@contesting.com>
Date: Fri, 24 Oct 2014 15:07:53 -0700
At 2200Z an X6 class solar flare erupted directly in line with the earth. Major disruption of radio propagation can be expected for the next 6 to 10 hours according to NASA. If a CME results further
/archives//html/Topband/2014-10/msg00156.html (7,308 bytes)

68. Topband: instant update on solar flare (score: 1)
Author: N7DF via Topband <topband@contesting.com>
Date: Fri, 24 Oct 2014 15:14:26 -0700
at 2210z the intensity of the flare was downgraded to an x1.9 still pretty bad for ionosphere though and the possibility of further flaring within the next 24 hours is listed as around 40% __________
/archives//html/Topband/2014-10/msg00157.html (6,713 bytes)

69. Topband: 160 activity (score: 1)
Author: Larry via Topband <topband@contesting.com>
Date: Tue, 04 Nov 2014 22:15:38 +0000
I made a point when I was operating W1AW/8 to try to work 160 phone a few times. The QSO rate was low compared to 20, but I think I made a lot of people happy, at least based on the comments I got, a
/archives//html/Topband/2014-11/msg00012.html (13,402 bytes)

70. Re: Topband: New RF interference killing RX at my QTH (score: 1)
Author: Agelos-SV3RF via Topband <topband@contesting.com>
Date: Sat, 8 Nov 2014 13:55:28 -0800
Dear Don, and Topband community, Very interesting topic. I suffer also from some noise the last period, and I decided to try to find where it comes from.I found on e-bay an vintage RDF Radio directio
/archives//html/Topband/2014-11/msg00032.html (10,323 bytes)

71. Re: Topband: New RF interference killing RX at my QTH (score: 1)
Author: Agelos-SV3RF via Topband <topband@contesting.com>
Date: Sat, 8 Nov 2014 14:29:54 -0800
OOOOps...It seems no links allowed. Anyway I found the radio under 3 different brand names. FUJION F-2000A, ROYAL GUIDE RG-705, and, AQUAGUIDE-705. This belongs to my previus post. 73' s de SV3RF Age
/archives//html/Topband/2014-11/msg00033.html (9,521 bytes)

72. Topband: Balun or no balun (score: 1)
Author: W3AW via Topband <topband@contesting.com>
Date: Tue, 11 Nov 2014 04:46:56 GMT
I have put up a 160 meter horizontal loop fed with 30 feet of 450 ohm feed line to my tuner. I have a Radioworks 4 to 1 balun. I am considering splicing into the feed line at 10 feet so I can run 20
/archives//html/Topband/2014-11/msg00042.html (6,626 bytes)

73. Re: Topband: Balun or no balun (score: 1)
Author: Dan Maguire via Topband <topband@contesting.com>
Date: Tue, 11 Nov 2014 15:38:32 -0800
Expanding a bit on what Tom said, the source resistance at resonance will also depend on the type of ground. With AutoEZ, I first used this dialog to create a 4-sided horizontal loop having a perimet
/archives//html/Topband/2014-11/msg00050.html (10,315 bytes)

74. Topband: Beverage Termination Question (score: 1)
Author: Dennis W0JX via Topband <topband@contesting.com>
Date: Wed, 12 Nov 2014 10:17:22 -0800
Top Banders: I have a question about using a common ground point for the far end of beverages. I have a NE/SW bi-directional beverage which terminates at a telephone pole at the far edge of my proper
/archives//html/Topband/2014-11/msg00052.html (7,464 bytes)

75. Re: Topband: QRP ARCI 160 meter sprint (score: 1)
Author: "Jim F. via Topband" <topband@contesting.com>
Date: Fri, 21 Nov 2014 19:00:25 +0000 (UTC)
Thank you for the announcement Jim, All you guys with great receiving antennas andQTH locations will have an opportunity to testyour mettle in this event that is more aboutlistening and hearing and e
/archives//html/Topband/2014-11/msg00107.html (9,268 bytes)

76. Re: Topband: Signal source (score: 1)
Author: Russ Tobolic via Topband <topband@contesting.com>
Date: Tue, 25 Nov 2014 15:55:36 +0000 (UTC)
Hello Clive; Check out the  IV3PRK website-  www.iv3prk.it  under "receiving antennas" and then the "rx ant. tests" tab.Luis has a circuit using a 1.843 crystal oscillator.  I use the same device wit
/archives//html/Topband/2014-11/msg00133.html (8,906 bytes)

77. Topband: Happy Thanksgiving ! (score: 1)
Author: "Jim F. via Topband" <topband@contesting.com>
Date: Fri, 28 Nov 2014 04:19:31 +0000 (UTC)
A very Happy Thanksgiving to all ! It was especially nice in the QRP ARCI 160m Sprint last night and then with the family at dinner today !  Just a few of the many things to be thankful for. 160m QRP
/archives//html/Topband/2014-11/msg00159.html (7,602 bytes)

78. Topband: Top-Band Remininences - My Old Sao Tome 160M Contact Totals (score: 1)
Author: charles Lewis via Topband <topband@contesting.com>
Date: Thu, 4 Dec 2014 15:16:06 +0000 (UTC)
I decided to use my LoTW log entries to see how many 160M contacts I made from Sao Tome long ago.  Given the extreme problem with constant high level of QRN I experienced there, I was surprised by th
/archives//html/Topband/2014-12/msg00036.html (7,864 bytes)

79. Re: Topband: Topband Digest, Vol 144, Issue 4 (score: 1)
Author: Larry via Topband <topband@contesting.com>
Date: Thu, 04 Dec 2014 23:21:15 +0000
topband-request@contesting.com wrote: Message: 10 Date: Wed, 03 Dec 2014 23:41:36 +0100 From: Martin <dm4im@t-online.de> To: topband@contesting.com Subject: Re: Topband: Restistance of wire Message-I
/archives//html/Topband/2014-12/msg00039.html (7,706 bytes)

80. Re: Topband: Boradband noise on 160 meters tracked down to apartment complex (score: 1)
Author: W2PM via Topband <topband@contesting.com>
Date: Sun, 14 Dec 2014 18:38:09 -0500
Sounds like a job for the MFJ nuller. The good news being its a point source and should be easily handled. It may cost you several months of frustration for no good outcome otherwise but perhaps it's
/archives//html/Topband/2014-12/msg00243.html (8,824 bytes)

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