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1. Re: [TowerTalk] soldering radials (score: 1): Author: "Mark Robinson" <markrob@mindspring.com>; Date: Tue, 16 Aug 2011 06:28:51 -0400; DXE supply a ring lug. You can crimp and solder the radial wire to the ring lug and then you can bolt the ring lug to the plate using the stainless steel nuts and bolts supplied with the plate. I wou; /archives//html/Topband/2011-08/msg00023.html (8,895 bytes)
2. Topband: Hardening the 8 Circle Receiving Array (score: 1): Author: Mark Robinson <markrob@mindspring.com>; Date: Thu, 17 Oct 2019 20:53:32 -0400; I have the DX Engineering 8 circle receiving array sized for 80/160m . It has been a fantastic performer but I have suffered damage to the active antenna amplifiers on two separate occasions due to; /archives//html/Topband/2019-10/msg00138.html (7,654 bytes)
3. Re: Topband: Need Ideas For "Fusing" Beverages From Falling Trees (score: 1): Author: Mark Robinson <markrob@mindspring.com>; Date: Sun, 3 Jan 2021 11:38:03 -0500; I use 1/4 inch AMP spade connectors , male and female as a breakaway point on my open wire feeder. I greased them up with dielectric grease to keep the water out. Automotive bullet connectors might; /archives//html/Topband/2021-01/msg00048.html (9,553 bytes)
4. Re: Topband: FST4 (score: 1): Author: Mark Robinson <markrob@mindspring.com>; Date: Thu, 4 Feb 2021 23:02:28 -0500; Roger, I used to use my TS930S for FT8. It doesn't have computer control of course and you will have varying power outputs as you move across the audio spectrum but it will work pretty well. All FT8; /archives//html/Topband/2021-02/msg00037.html (8,234 bytes)
5. Re: Topband: New Subject: 160M array feedline question (score: 1): Author: Mark Robinson <markrob@mindspring.com>; Date: Thu, 6 May 2021 16:32:11 -0400; Roger, Take a look at this. I am thinking of building one this summer and hang it from a tall tree. https://www.yccc.org/Articles/double_l.htm 73 Mark N1UK G3ZZM But I've often thought about the oth; /archives//html/Topband/2021-05/msg00016.html (8,438 bytes)
6. Re: Topband: good condx agn in DL (score: 1): Author: Mark Robinson <markrob@mindspring.com>; Date: Mon, 24 May 2021 07:44:05 -0400; I took my 8 circle receiving array down two weeks ago before it got blown up by the summer lightning. It has been blown up 3 times in the past three summers despite fitting coaxial relays to protect; /archives//html/Topband/2021-05/msg00036.html (8,009 bytes)
7. Re: Topband: Twin Sloper (score: 1): Author: Mark Robinson <markrob@mindspring.com>; Date: Wed, 14 Jul 2021 18:49:27 -0400; I have a modified Alpha Delta sloper..well it started out as an Alpha Delta mounted at 70 feet on my 86 foot tower. I jumpered the loading coil and lengthened the 40/160m wire to 130 feet or so. I; /archives//html/Topband/2021-07/msg00010.html (8,950 bytes)
8. Re: Topband: RFI powerline ? (score: 1): Author: Mark Robinson <markrob@mindspring.com>; Date: Thu, 13 Jan 2022 20:10:59 -0500; This is what my 120Hz line noise sounded like. Halfway through the recording you can here it splutering on and off as well. https://www.mediafire.com/file/96iicptbq68y4tr/2014-10-07_Line_Noise.mp3/f; /archives//html/Topband/2022-01/msg00085.html (7,558 bytes)
9. Re: Topband: 1/4 wave sloper..aka half sloper. (score: 1): Author: Mark Robinson <markrob@mindspring.com>; Date: Fri, 14 Jan 2022 19:59:11 -0500; I am using a modified Alpha Delta DX-A 1/4 wave sloper attached at approx 72 feet on my 86 foot tower. I removed the loading coil and now have 5 wires whch are two full size 160m wires, two full; /archives//html/Topband/2022-01/msg00088.html (8,687 bytes)
10. Re: Topband: 1/4 wave sloper..aka half sloper. (score: 1): Author: Mark Robinson <markrob@mindspring.com>; Date: Mon, 17 Jan 2022 14:49:24 -0500; My sloper is fed at the 72 foot point on an 86 foot tower where the coax is grounded to the tower leg and with about 12 feet of mast above the tower .. This wasn't enough on 160 and I added a 130 fo; /archives//html/Topband/2022-01/msg00106.html (8,760 bytes)

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