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References: [ +from:jim@jtmiller.com: 103 ]

Total 103 documents matching your query.

81. [TowerTalk] Weather station recommendations esp wind direction and speed? (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Mon, 25 Feb 2019 19:17:42 -0500
At my new QTH in Mt Airy MD I've become much more interested in wind speed and direction. It really howls here in general and I'm in the open on a hilltop so it's worse here than generally reported.
/archives//html/Towertalk/2019-02/msg00132.html (7,685 bytes)

82. Re: [TowerTalk] Securing vertical to concrete post? (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Tue, 5 Mar 2019 19:24:46 -0500
Is this a temporary installation or intended to be long term. What's the diameter and material of the HF vertical? jim ab3cv _______________________________________________ __________________________
/archives//html/Towertalk/2019-03/msg00058.html (7,742 bytes)

83. [TowerTalk] RFI from AlfaSpid RAK-1 while rotating (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Sun, 21 Apr 2019 15:25:29 -0400
My RAK-1 generates a lot of RFI on 6m while rotating, making it impossible to hear while it's moving. Beam is about 2 ft above the rotor. Some of it is due to the start/stop PWM ramp from the GHE con
/archives//html/Towertalk/2019-04/msg00171.html (7,004 bytes)

84. Re: [TowerTalk] Polygon fiberglass (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Fri, 13 Sep 2019 12:26:54 -0400
W3LPL is changing all his out for Phillystran. jim ab3cv _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.co
/archives//html/Towertalk/2019-09/msg00359.html (10,788 bytes)

85. Re: [TowerTalk] Weekend from hell (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Mon, 18 Nov 2019 20:38:22 -0500
What mode were you using at the time? jim ab3cv _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://
/archives//html/Towertalk/2019-11/msg00218.html (16,480 bytes)

86. Re: [TowerTalk] 80M antenna wire size (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Fri, 3 Jan 2020 12:50:53 -0500
Is the copperweld copper thickness under consideration sufficient for the skin depth of RF at 160m? Jim ab3cv _______________________________________________ _________________________________________
/archives//html/Towertalk/2020-01/msg00052.html (9,989 bytes)

87. Re: [TowerTalk] Copperweld (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Sun, 14 Mar 2021 14:19:04 -0400
To avoid abrasion and cracks on corners I sleeved my CCS with copper tubing available at hobby shops. There's usually a size for a nice slip fit. jim ab3cv ___________________________________________
/archives//html/Towertalk/2021-03/msg00143.html (12,282 bytes)

88. Re: [TowerTalk] Coax Impact on Receive Performance (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Tue, 23 Mar 2021 14:30:38 -0400
In my opinion the difference between connected and disconnected of only 2db shows that you are marginal and likely impacting your RX performance. stay safe! jim ab3cv ________________________________
/archives//html/Towertalk/2021-03/msg00304.html (8,387 bytes)

89. Re: [TowerTalk] 160 RECEIVE ANTENNAS (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Tue, 13 Apr 2021 12:55:44 -0400
https://www.contestuniversity.com/wp-content/uploads/2020/05/W3LPL-Effective-Low-Band-Receiving-Antennas.pdf jim ab3cv _______________________________________________ ________________________________
/archives//html/Towertalk/2021-04/msg00088.html (8,566 bytes)

90. Re: [TowerTalk] Yaesu 2800DXA (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Thu, 22 Apr 2021 16:50:15 -0400
Since you have a GHE RT21 make sure your ramp starts at a higher point in the winter to kick it loose and get things moving. When at 10% starting my RAK would work fine in the summer but was "frozen"
/archives//html/Towertalk/2021-04/msg00200.html (11,164 bytes)

91. Re: [TowerTalk] Joining two perpendicular wires (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Mon, 12 Jul 2021 09:33:48 -0400
make a mechanical connection (split bolt?) then make an electrical connection jim ab3cv _______________________________________________ _______________________________________________ TowerTalk maili
/archives//html/Towertalk/2021-07/msg00018.html (8,789 bytes)

92. [TowerTalk] Nesting 160 and 80m 9 circles? (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Wed, 2 Feb 2022 18:33:38 -0500
Can these be nested or will they destroy each other's pattern? I would hope that the non-resonant Hi-Z nature of these would lend them to nesting. I ask because I might be able to squeeze in the 160
/archives//html/Towertalk/2022-02/msg00009.html (7,352 bytes)

93. Re: [TowerTalk] Nesting 160 and 80m 9 circles? (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Wed, 2 Feb 2022 19:01:24 -0500
Thanks! Just read the YCCC documentation. Should have done that before asking. I'm going to try to do this! 73 Jim ab3cv On Wed, Feb 2, 2022 at 6:45 PM VE6WZ_Steve <ve6wz@shaw.ca> wrote: ____________
/archives//html/Towertalk/2022-02/msg00011.html (8,340 bytes)

94. Re: [TowerTalk] Fw: Feeding single band HF yagis 500+ ft from the shack (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Mon, 16 May 2022 22:04:55 -0400
See w8ji.com Jim ab3cv _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mail
/archives//html/Towertalk/2022-05/msg00066.html (7,792 bytes)

95. Re: [TowerTalk] Weather Stations ( sort of off topic) (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Mon, 19 Sep 2022 11:20:41 -0400
I have this one https://weatherflow.com/tempest-weather-system/ Very nice online now https://tempestwx.com/station/23362 Jim ab3cv On Mon, Sep 19, 2022 at 10:59 AM Christian Kennedy <chris@af6ap.com>
/archives//html/Towertalk/2022-09/msg00043.html (10,110 bytes)

96. Re: [TowerTalk] Tower mounted capture device (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Tue, 31 Jan 2023 15:28:12 -0500
Google weather flow tempest. Wireless. Solar powered. No moving parts. Jim ab3cv _______________________________________________ _______________________________________________ TowerTalk mailing list
/archives//html/Towertalk/2023-01/msg00152.html (8,953 bytes)

97. Re: [TowerTalk] Tower mounted capture device (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Tue, 31 Jan 2023 17:49:19 -0500
https://tempestwx.com/station/23362/ Wx at ab3cv Jim _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com ht
/archives//html/Towertalk/2023-01/msg00154.html (9,389 bytes)

98. Re: [TowerTalk] Tower eye bolt source? - NO LUCK! (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Mon, 5 Jun 2023 14:38:16 -0400
https://www.mcmaster.com/products/eyebolts/ jim ab3cv _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com h
/archives//html/Towertalk/2023-06/msg00031.html (15,390 bytes)

99. Re: [TowerTalk] Shack to service entrance ground (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Fri, 18 Aug 2023 20:51:57 -0400
At the risk of stating the obvious run all antenna circuits to enter near the service entrance and bond there. Continue the run inside the house to the shack. Jim ab3cv ______________________________
/archives//html/Towertalk/2023-08/msg00031.html (12,182 bytes)

100. [TowerTalk] Remote compass? (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Sat, 9 Nov 2024 18:22:19 -0500
Anyone know of a remote compass I could buy and place on my mast to know where my beam is pointed when I can't see it? Would need to withstand RF fields from 160 thru 6m from my 1500w amp. Thanks Jim
/archives//html/Towertalk/2024-11/msg00024.html (6,543 bytes)


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