Search String: Display: Description: Sort:

Results:

References: [ +from:Manuals@ArtekManuals.com: 105 ]

Total 105 documents matching your query.

81. Re: Topband: Elevated radial number vs efficiency (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Fri, 1 Jan 2021 16:37:10 -0500
Correction that should be N6LF (not N6FL) NR1DX Thank you!!! I sometimes think there is too much emphasis on NEC modelling and never enough real world verification with actual field measurements {I h
/archives//html/Topband/2021-01/msg00016.html (18,981 bytes)

82. Re: Topband: Elevated radial number vs efficiency (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Fri, 1 Jan 2021 17:05:46 -0500
I have taken the liberty to move Jim's most recent reply on the Common mode thread over here where it is more on topic Jim: True enough There is a work around however Dick Weber k5UI ( SK ..I think)
/archives//html/Topband/2021-01/msg00019.html (11,315 bytes)

83. Re: Topband: Band Conditions (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Tue, 5 Jan 2021 08:29:12 -0500
Compared to last year...they are Dave NR1DX 73, Jim K9YC _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector -- Dave Manuals@ArtekManuals.com www.ArtekManual
/archives//html/Topband/2021-01/msg00087.html (7,225 bytes)

84. Re: Topband: One Way Propagation. (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Sun, 17 Jan 2021 08:25:20 -0500
Roger Lucky you!  My S meter rarely goes below S4( on the BOG) and S8 on the transmit antenna  .. In the context of measuring one way propagation there  is the purist's dilemma of receiving antenna s
/archives//html/Topband/2021-01/msg00169.html (8,241 bytes)

85. Re: Topband: One Way Propagation. (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Sun, 17 Jan 2021 13:55:47 -0500
Comment below I think it's unconscionable that other manufactures, with microprocessor controlled radios, haven't incorporated this. The fact that certain features appear in certain radios and not in
/archives//html/Topband/2021-01/msg00179.html (9,476 bytes)

86. Re: Topband: s meter (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Mon, 18 Jan 2021 07:57:53 -0500
Ron et all Ditto Dave NR1DX On 1/18/2021 7:29 AM, Ron Spencer via Topband wrote: For the low bands, I typically listen on my receive antennas. S meter readings on them are proportional to the signal
/archives//html/Topband/2021-01/msg00190.html (7,993 bytes)

87. Re: Topband: CQ 160 (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Mon, 1 Feb 2021 07:15:20 -0500
Here in the south ( Florida) much the same propagation.. A few really strong stations from EU ( one UA2F that was so strong as to be suspicious) . The best EU signals were nearer their sunrise. Earli
/archives//html/Topband/2021-02/msg00001.html (7,899 bytes)

88. Re: Topband: ARRL CW Contest (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Mon, 22 Feb 2021 09:49:10 -0500
in all I spent about 5 hours mostly from 04:30Z to 07:00Z both nights Signals were generally good . Unusual "spotlight" propagation Friday Night/Saturday morn. Worked a half dozen S5xxx stations ALL
/archives//html/Topband/2021-02/msg00085.html (8,570 bytes)

89. Topband: Broad band antenna approach for 160 Contesting (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Sat, 27 Feb 2021 17:23:12 -0500
Rick et all I have changed the Subject line rather than further hijack Tree's original thread I have a "T" Radiator 60' high  with flat top of the T, 80' long. Next 4 elevated non resonant  90' radia
/archives//html/Topband/2021-02/msg00169.html (9,217 bytes)

90. Re: Topband: Looking for hi-Z antenna (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Wed, 10 Mar 2021 09:21:23 -0500
Rich Roughly how big is your back yard? Any trees over 30' high? ( I did work Antarctica from Texas once with a Bnut HF-9V and about 8 radials, so even a blind pig finds a truffle now and then ...but
/archives//html/Topband/2021-03/msg00075.html (7,927 bytes)

91. Re: Topband: Elementary Inverted L questions (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Thu, 25 Mar 2021 12:26:56 -0400
Technically the insulation should electrically lengthen the antenna about 1.5-2 % (lower the frequency) As Wes said the dimensions would be helpful. is the flat op horizontal or does it slope down if
/archives//html/Topband/2021-03/msg00164.html (10,105 bytes)

92. Re: Topband: PL259 type connectors for RG11 (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Thu, 8 Apr 2021 15:55:27 -0400
My go to guy for Silver-Teflon PL-259 and Amphenol. Good selection of Solder and Crimp ON ...Also sells those hard to find heavy duty crimp tools https://www.ebay.com/str/n5iawrfcommunications Cant r
/archives//html/Topband/2021-04/msg00051.html (8,644 bytes)

93. Re: Topband: Comscope 3227 (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Thu, 8 Apr 2021 17:55:23 -0400
Is that "SOLID" copper center conductor or the Copper plated aluminum as is the case with LMR400 these days...8^( Dave NR1DX On 4/8/2021 5:43 PM, Jim Brown wrote: On 4/8/2021 2:18 PM, Jim Garland wro
/archives//html/Topband/2021-04/msg00055.html (9,366 bytes)

94. Re: Topband: Need antenna help (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Tue, 7 Dec 2021 10:57:20 -0500
The first question to ask is what is the operating goal for 160. 1) Local net or rag chew with his buddies.? In that case use the existing vertical assuming the AATU can match it is enough . Might ha
/archives//html/Topband/2021-12/msg00017.html (9,714 bytes)

95. Re: Topband: Wednesday CW DX Activity Night (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Tue, 4 Jan 2022 13:58:09 -0500
Roger I am not exactly sure which BETA RBN sight you are referring to. Could you post a link? Generally speaking here in the deep south of NA I can clearly see the affects of the up swing in the suns
/archives//html/Topband/2022-01/msg00016.html (8,866 bytes)

96. Re: Topband: LOOP on ground test 160m (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Fri, 7 Jan 2022 06:53:43 -0500
Andy I did a lot of experiments about two years ago with LOGs and BOGs.  Generally I found the BOG to be better and a smaller investment in "wire". I did a lot of experiments with feeding the LOGs in
/archives//html/Topband/2022-01/msg00036.html (9,894 bytes)

97. Re: Topband: K9AY Loop Questions (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Fri, 7 Jan 2022 07:20:38 -0500
Comments below But I picked up on people saying that EZNEC doesn't model these antennas near the ground very well. This is very true of EZENEC based on NEC -2....EZENEC PRO 4 based on NEC-4 depending
/archives//html/Topband/2022-01/msg00037.html (10,214 bytes)

98. Re: Topband: Radials on ground (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Fri, 7 Jan 2022 09:47:13 -0500
Pete I  was just  having this very discussion with some one else this week. We modeled a 100 ' tall T on 160 M with sixty-four 100' long radials using NEC-4. with that many radials there was essentia
/archives//html/Topband/2022-01/msg00041.html (8,122 bytes)

99. Topband: test: please ignore (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Tue, 18 Jan 2022 22:24:21 -0500
Test NR1DX -- Dave Manuals@ArtekManuals.com www.ArtekManuals.com -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus _________________ Searchable A
/archives//html/Topband/2022-01/msg00118.html (6,487 bytes)

100. Re: Topband: K9AY RX antenna (score: 1)
Author: Artek Manuals <Manuals@ArtekManuals.com>
Date: Mon, 31 Jan 2022 10:14:39 -0500
Pete. The recent modeling I did in evaluating the effects of soil type for the Folded Counter Poise as a ground plane was a real eye opener as to how much soil conductivity affects the performance of
/archives//html/Topband/2022-01/msg00157.html (8,168 bytes)

Current List: 81 - 100
Page: [1] [2] [3] [4] [5] [6]
This search system is powered by Namazu