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References: [ +from:lists@subich.com: 199 ]

Total 199 documents matching your query.

181. Re: Topband: RX loop antenna RX protector (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Sun, 6 Jun 2021 10:19:51 -0400
The MFJ-1708 can be used in that manner. Connect the loop to the "ANT" port and the SDR to the SDR port and configure the CTRL input for PTT. 73, ... Joe, W4TV On 2021-06-06 9:49 AM, N4ZR wrote: I re
/archives//html/Topband/2021-06/msg00018.html (7,311 bytes)

182. Re: Topband: JT5DX - JT1CO confirmations (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Fri, 10 Sep 2021 08:49:22 -0400
Recently (last year - 18 months) there have been no flights into or out of Mongolia due to COVID. Don't know if they have resumed - and along with them mail to/from the country. 73, ... Joe, W4TV How
/archives//html/Topband/2021-09/msg00011.html (8,220 bytes)

183. Re: Topband: Inv L corner insulator (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Mon, 27 Sep 2021 19:37:28 -0400
Or the difference between an engineer and mathematician ... Place an engineer and mathematician on one goal line of a football field with a comely cheerleader on the other goal line. If you tell the
/archives//html/Topband/2021-09/msg00090.html (8,752 bytes)

184. Re: Topband: Guy line affecting SWR/match (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Fri, 7 Jan 2022 17:17:52 -0500
On 2022-01-07 2:37 PM, Raymond Benny wrote: 1, I am using Dacron, non-conductive cord at three points to guy the verticals. Top guy is about 10ft from the top. It seems that about the start of our wi
/archives//html/Topband/2022-01/msg00050.html (11,253 bytes)

185. Re: Topband: 8 Circle question (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Mon, 7 Feb 2022 16:54:15 -0500
The 9 circle (3 element endfire) uses approximately 1:2:1 element "drive". Removing one of the end elements will not yield a "clean" pattern but you would need to model both 0:2:1 and 1:2:0 arrays to
/archives//html/Topband/2022-02/msg00053.html (9,159 bytes)

186. Re: Topband: 1940 kHz Intruder (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Thu, 5 Jan 2023 12:20:56 -0500
Intermodulaton (mixing) ... You have two frequencies, solve for the third. 1940 = 2 * x - 1610 = 1775 (out of band) or 1940 = 2 * 1610 - x = 1280 I would start looking at the allocations for a commun
/archives//html/Topband/2023-01/msg00025.html (11,540 bytes)

187. Re: Topband: WSPR and topband (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Wed, 26 Apr 2023 14:44:29 -0400
FCC rules do no apply outside the US (including 4U1UN). I believe the one or two NCDXF beacons in the US operate under a Special Temporary Authorization. 73, ... Joe, W4TV Also, how did you arrive at
/archives//html/Topband/2023-04/msg00046.html (10,358 bytes)

188. Topband: Fwd: WSPR and topband (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Wed, 26 Apr 2023 14:45:14 -0400
Perhaps someone can define exactly what that means in the case of a WSPR signal (or even FT8). Attended means: Present in the shack or a reasonable distance from the control point and able to prevent
/archives//html/Topband/2023-04/msg00047.html (9,006 bytes)

189. Re: Topband: Digiwave feedline (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Fri, 11 Aug 2023 15:17:16 -0400
It matters in one case ... if the preamp, combiner, relay switching network is powered via the coax. If the coax is aluminum foil/braid and copper clad steel or copper clad aluminum, the resistance
/archives//html/Topband/2023-08/msg00026.html (8,035 bytes)

190. Re: Topband: Using 4 - 6 elevated radials in lieu of 120 buried wires (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Fri, 5 Jan 2024 07:38:42 -0500
One thing to bear in mind throughout any analysis of such designs for 160M is that the total focus of the Broadcast designs and measurements and proofs is energy at zero degrees elevation. Our needs
/archives//html/Topband/2024-01/msg00029.html (11,705 bytes)

191. Re: Topband: https://clublog.org/logsearch/CB0ZA (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Mon, 19 Feb 2024 15:29:30 -0500
After, I found few QSOs with me, just checked few known call signs in their LOG, found also same. Unlike the official WSJTX software, some third party variations will log a QSO every time it sends a
/archives//html/Topband/2024-02/msg00073.html (11,717 bytes)

192. Re: Topband: https://clublog.org/logsearch/CB0ZA (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Mon, 19 Feb 2024 16:03:42 -0500
So this is exactly where I started the topic - soon heaven will come on earth :-)))) No, FT8 has provided a way to compensate for the 20 dB in increased noise floor over the last 40 years. I was aro
/archives//html/Topband/2024-02/msg00077.html (12,597 bytes)

193. Re: Topband: https://clublog.org/logsearch/CB0ZA (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Mon, 19 Feb 2024 17:34:16 -0500
F/H is particularly bad in this regard. You can call and call and might actually be in the queue but not know it until you go to the kitchen for that beer and come back and see that "you" made the co
/archives//html/Topband/2024-02/msg00086.html (11,372 bytes)

194. Re: Topband: 160 FT8 (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Mon, 19 Feb 2024 22:01:20 -0500
But I do disagree with that statement. You still used your ears with SSB. Go back even further ... when Phone came along. Where was the skill in phone (compared to CW)? FT8 may be the modern Phone.
/archives//html/Topband/2024-02/msg00101.html (9,345 bytes)

195. Re: Topband: 160 FT8 (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Mon, 19 Feb 2024 22:44:29 -0500
What makes you say that? I have reviewed the DXCC rules, the DXCC (paper) application, the Online DXCC Application, and the LotW DXCC Application and in none of them do I find *any* reference to mode
/archives//html/Topband/2024-02/msg00104.html (8,438 bytes)

196. Re: Topband: HEBA antenna (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Sat, 20 Apr 2024 12:18:07 -0400
Unfortunately, "High Efficiency" and "Broadband" are relative terms and have a different meaning to the AM broadcasters than they do to amateurs. They amount to nothing more than marketing terms. To
/archives//html/Topband/2024-04/msg00049.html (10,201 bytes)

197. Re: Topband: [TowerTalk] Hygain 18-HT 160m Trap wanted (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Mon, 22 Jul 2024 19:16:59 -0400
Both the trap and the loading coils are pretty easy to build if we have good data and/or construction details. The trap is nothing special. Since it connects to the tower at the top, it is likely re
/archives//html/Topband/2024-07/msg00035.html (8,870 bytes)

198. Re: Topband: N5J Live Stream? (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Fri, 9 Aug 2024 09:26:28 -0400
Hover over your QSO in ClubLog's Expedition Charts: <https://clublog.org/charts/?c=N5J> That will show who was at the controls for your QSO. 73, ... Joe, W4TV On 8/9/2024 4:06 AM, Steve Harrison wrot
/archives//html/Topband/2024-08/msg00019.html (8,208 bytes)

199. Re: Topband: Low frequency RX antenna (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Wed, 2 Oct 2024 20:30:57 -0400
However, the K9AY RDF is generally given within the range shown by Greg for the "Optimized VE3DO" (7.7 dB per W8JI). That would raise a question whether the additional effort for the VE3DO loop is ju
/archives//html/Topband/2024-10/msg00010.html (9,113 bytes)

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