- 241. Re: [RFI] Funny Incedent today while tracking some RFI (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Sun, 27 Mar 2011 21:49:25 -0400 (GMT-04:00)
- You plan on FLYING anywhere soon? Heh. Some time I'll describe the afternoon I spent with some polite but forceful gentlemen with M16's in the parking lot of the Base Exchange at Travis Air Force Bas
- /archives//html/RFI/2011-03/msg00099.html (9,876 bytes)
- 242. [RFI] OT: RE: solar problems (score: 1)
- Author: "Cortland Richmond" <ka5s@earthlink.net>
- Date: Mon, 11 Apr 2011 05:46:29 -0400
- If it's a deliberate phase bobble, that's a clever way for power co's avoid having to pay people for their solar power. Cortland --Original Message-- From: rfi-bounces@contesting.com [mailto:rfi-boun
- /archives//html/RFI/2011-04/msg00021.html (7,783 bytes)
- 243. Re: [RFI] Comcast Wall warts (score: 1)
- Author: "Cortland Richmond" <ka5s@earthlink.net>
- Date: Tue, 21 Jun 2011 05:55:54 -0400
- I am preparing to replace several 5V switchers for USB port expanders with a common Lambda 5A 5V open-frame PS. We may not be able to do this for long; efficiency regulations actually forbid making (
- /archives//html/RFI/2011-06/msg00008.html (7,595 bytes)
- 244. Re: [RFI] Comcast Wall warts (score: 1)
- Author: "Cortland Richmond" <ka5s@earthlink.net>
- Date: Fri, 24 Jun 2011 10:27:39 -0400
- Started in 2006 in California. The Federal government was persuaded to adopt the CA standard so mfrs would not need different products for different states. Check out these links. http://www1.eere.en
- /archives//html/RFI/2011-06/msg00020.html (10,597 bytes)
- 245. Re: [RFI] Comcast Wall warts (score: 1)
- Author: "Cortland Richmond" <ka5s@earthlink.net>
- Date: Fri, 24 Jun 2011 11:54:33 -0400
- Alles, was nicht Pflicht ist, ist verboten; everything not mandated, is forbidden. That's a ban spelled sideways. IIRC, the rules apply to transformers too. § 431.371 Submission of data. (a) Certific
- /archives//html/RFI/2011-06/msg00023.html (10,981 bytes)
- 246. Re: [RFI] BCB interference on 160 (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Wed, 14 Sep 2011 05:19:29 -0400
- Rick, I suspect you will have to put your trap across the diodes, as they seem a likely candidate for the mixer here. If you have to go that far, you might as well change to back to backdiodes. Maybe
- /archives//html/RFI/2011-09/msg00036.html (8,344 bytes)
- 247. Re: [RFI] Second Report and Order BPL (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Tue, 25 Oct 2011 22:46:42 -0400
- A quickread through reveals what looks very much like a merely pro-forma FCC response to the Court of Appeals Order requiring it reconsider some of the aspects of its earlier Rulemaking. The Sheriff'
- /archives//html/RFI/2011-10/msg00036.html (8,149 bytes)
- 248. Re: [RFI] New Sears Dryer Draws Current on Green Wire (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Thu, 10 Nov 2011 14:10:12 -0500
- That is the normally only place safety ground and neutral should connect. From wikianswers QUOTE. .... New installations of ranges and clothes dryers must have a separate green or bare grounding cond
- /archives//html/RFI/2011-11/msg00013.html (10,459 bytes)
- 249. Re: [RFI] Smart Meter Lawsuit in Texas (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Sun, 26 Feb 2012 17:19:47 -0500
- A whole-house RFI filter and transient suppressor panel could render a PL comms version useless. Cortland KA5S _______________________________________________ RFI mailing list RFI@contesting.com http
- /archives//html/RFI/2012-02/msg00013.html (9,017 bytes)
- 250. Re: [RFI] A fun and educational RFI toy. (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Wed, 29 Feb 2012 16:39:21 -0500
- Hi Kurt, I've worked with these for ~30 years (now semi-retired). As you note, the design is simple. However, the impedance curve required is hard to achieve* if you only build according to the schem
- /archives//html/RFI/2012-02/msg00047.html (11,986 bytes)
- 251. Re: [RFI] RFI issues in electric (or hybrid) vehicles (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Wed, 11 Apr 2012 00:35:48 -0400
- FWIW Department: Some years ago at the Livermore CA monthly swap meet another Ham started up his Prius while I was walking by with an FT-817 with MP-1 attached on 40 CW. There was a distinct whining
- /archives//html/RFI/2012-04/msg00023.html (10,969 bytes)
- 252. Re: [RFI] RFI issues in electric (or hybrid) vehicles (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Wed, 11 Apr 2012 00:43:18 -0400
- More FWIW; I got nearly 50 mpg HWY with a 1987 Chevy Sprint 5 door and better than 35 mph in town. However... "town" was North Andover MA, later Fort Worth TX, not exactly NYC stop-start driving. No
- /archives//html/RFI/2012-04/msg00025.html (9,226 bytes)
- 253. Re: [RFI] History Channel creeped across 6 meters (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Sun, 03 Jun 2012 12:04:49 -0400
- When the Commission DOES get involved, it works. Link below is to the LAST post in a QRZ.com thread on 6-meterinterference from a baby monitor. http://forums.qrz.com/showthread.php?310670-Bad-Baby-Mo
- /archives//html/RFI/2012-06/msg00024.html (8,623 bytes)
- 254. Re: [RFI] Lightning Protection (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Mon, 02 Jul 2012 14:36:36 -0400
- This has been an interesting discussion. Some years ago, while working on telecom digital loop equipment, I came across an REA handbook on-line that said running vulnerable conductors through iron pi
- /archives//html/RFI/2012-07/msg00034.html (8,707 bytes)
- 255. Re: [RFI] MFJ-856 oddity (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Wed, 08 Aug 2012 11:53:13 -0400
- It was almost 30 years ago that I found an annoying 2-meter noise source on a pole adjacent to the control tower at our local airport. it was necessary to go up to 440 MHz (AM mode) and I've since us
- /archives//html/RFI/2012-08/msg00038.html (8,896 bytes)
- 256. Re: [RFI] MFJ-856 oddity (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Wed, 15 Aug 2012 16:13:50 -0400
- That has to be SOME noise! Assuming no saturation, how about a sensitivity adjustment/step for the meter? Cortland KA5S _______________________________________________ RFI mailing list RFI@contesting
- /archives//html/RFI/2012-08/msg00078.html (8,890 bytes)
- 257. Re: [RFI] GE Microwave (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Mon, 27 Aug 2012 16:59:46 -0400
- How about a 15 Amp power-line filter instead? http://www.amazon.com/dp/B004PEIFZO/ref=asc_df_B004PEIFZO2141706/?tag=nextagus0011565-20&creative=394997&creativeASIN=B004PEIFZO&linkCode=asn Cortland KA
- /archives//html/RFI/2012-08/msg00118.html (9,818 bytes)
- 258. Re: [RFI] just what everyone needs! (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Mon, 10 Sep 2012 11:51:52 -0400
- There was a (German?) firm some 10 or 125 years ago selling cable and coax whose jacket was loaded with ferrite powder. However, over a relatively short time, years, not decades, and maybe less than
- /archives//html/RFI/2012-09/msg00032.html (10,319 bytes)
- 259. Re: [RFI] just what everyone needs! (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Mon, 10 Sep 2012 23:50:43 -0400
- Andy, The way I unravel this is to ask how a ferrite BEAD works. It concentrates magnetic fields along a wire -- adding inductance --and in a lossy medium too, where the changing field is partly tran
- /archives//html/RFI/2012-09/msg00045.html (10,799 bytes)
- 260. Re: [RFI] Noise changes when room lights turn on / off (score: 1)
- Author: Cortland Richmond <ka5s@earthlink.net>
- Date: Fri, 14 Sep 2012 08:40:28 -0400
- I notice a similar peaking or reducing effect when I turn on the OUTSIDE lights while using some (SCR controlled, switcher powered) track lighting. This is due to changing the length of connected wir
- /archives//html/RFI/2012-09/msg00075.html (11,526 bytes)
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