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141. Topband: ICE Model 135B Preamp (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Thu, 9 Nov 2023 04:51:48 -0600; I don't operate QSK but I am sure there are QSK ways of protecting preamps. This is a question for the QRO CW DX folks. Rob K5UJ _________________ Searchable Archives: http://www.contesting.com/_top; /archives//html/Topband/2023-11/msg00048.html (6,953 bytes)
142. Re: Topband: AM Broadcast Filter recommendation (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Wed, 6 Dec 2023 06:06:31 -0600; First, get some kind of portable receiver out and put it on 1820 and verify you are hearing the harmonic. I doubt it is being generated in your gear. You will probably hear it because you are only 2; /archives//html/Topband/2023-12/msg00026.html (9,025 bytes)
143. Re: Topband: NCC-2 antenna pattern? (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Mon, 18 Dec 2023 05:14:06 -0600; Since I am on a 50 x 100 foot lot, it is impossible for me to separate my rx antennas from my tx antenna. Of course on transmit, preamps and the NCC1 are deactivated, but even so, the NCC1 had intern; /archives//html/Topband/2023-12/msg00055.html (8,244 bytes)
144. Re: Topband: Using 4 - 6 elevated radials in lieu of 120 buried wires (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Fri, 5 Jan 2024 05:21:22 -0600; The advantage to this is that you can get away with wire composition (copper clad steel, or even aluminum if handled properly) that would not hold up on or under ground. And obviously, less wire is; /archives//html/Topband/2024-01/msg00028.html (9,415 bytes)
145. Re: Topband: Inv L Radiation Patterns? (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Mon, 15 Jan 2024 05:32:33 -0600; A bit more field intensity extends in the direction opposite the direction of the horizontal part of the inverted L element. 73 Rob K5UJ _________________ Searchable Archives: http://www.contesting.c; /archives//html/Topband/2024-01/msg00096.html (6,322 bytes)
146. Re: Topband: INV-L Radiation Patterns: 15 years of experiments with one (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Mon, 15 Jan 2024 16:43:10 -0600; 50 foot high inv. L here; total length 120 feet; 101 radials on ground, but lengths vary from 10 feet to around 100 feet with most in the 20, 30, 50 foot lengths. Also I have an aluminum sided garage; /archives//html/Topband/2024-01/msg00099.html (6,913 bytes)
147. Re: Topband: B7P (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Thu, 4 Apr 2024 04:48:12 -0500; They need to get phasing boxes and figure out how to use them -- those things can't fix everything but they can clear out a frequency of one overwhelming noise source if it can't be controlled any o; /archives//html/Topband/2024-04/msg00018.html (6,732 bytes)
148. Re: Topband: CY9C (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Sun, 8 Sep 2024 11:39:45 -0500; http://lists.contesting.com/archives//html/Topband/2024-09/msg00044.html Jim K9YC is 100% correct. With the US FWS making it nearly impossible to activate some of the Pacific islands, the RIB is or s; /archives//html/Topband/2024-09/msg00062.html (8,084 bytes)
149. Re: Topband: RBN on 160M (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Wed, 6 Nov 2024 08:57:18 -0600; Actually, a better answer is, It depends. Firstly, medium wave has to be divided into transmitting and receiving. Florida can stink on receiving, because of the almost incessant thunderstorms. Isn't; /archives//html/Topband/2024-11/msg00015.html (7,811 bytes)

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