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References: [ +from:ka5s@earthlink.net: 420 ]

Total 420 documents matching your query.

221. [RFI] Appliance EMI filyers from LCR Electronics (score: 1)
Author: "Cortland Richmond" <ka5s@earthlink.net>
Date: Mon, 16 Nov 2009 21:26:30 -0500
I ran across the Web site of a firm that sells EMI filters to (among others) appliance manufacturers. excerpt: Since U.S. appliance manufacturers essentially can (and do) produce domestically used pr
/archives//html/RFI/2009-11/msg00039.html (7,982 bytes)

222. Re: [RFI] Ham Conflict from Building Cellular Repeater? (score: 1)
Author: "Cortland Richmond" <ka5s@earthlink.net>
Date: Sat, 19 Dec 2009 18:41:06 -0500
It appears Wilson want the OK to sell re-radiating repeaters under less restrictive rules than have applied up to now. http://urgentcomm.com/mobile_voice/news/fcc-rulemaking-cellular-amplifiers-2 009
/archives//html/RFI/2009-12/msg00030.html (10,270 bytes)

223. Re: [RFI] Sears battery charger model #200.71222 (score: 1)
Author: Cortland Richmond <ka5s@earthlink.net>
Date: Fri, 9 Apr 2010 21:27:24 -0400 (GMT-04:00)
NOT a new problem: http://www.fcc.gov/eb/Public_Notices/DA-03-2923A1.html Cortland KA5S --Original Message-- _______________________________________________ RFI mailing list RFI@contesting.com http:/
/archives//html/RFI/2010-04/msg00016.html (9,609 bytes)

224. [RFI] Appliance interference and approvals (was Sears battery charger model #200.71222) (score: 1)
Author: "Cortland Richmond" <ka5s@earthlink.net>
Date: Sat, 10 Apr 2010 20:57:06 -0400
There are no FCC *emission requirements* for equipment used in appliances. Section 15.103 Exempted devices. The following devices are subject only to the general conditions of operation in Sections 1
/archives//html/RFI/2010-04/msg00025.html (11,977 bytes)

225. Re: [RFI] Appliance interference and approvals (was Sears batterycharger model #200.71222) (score: 1)
Author: "Cortland Richmond" <ka5s@earthlink.net>
Date: Sat, 10 Apr 2010 22:43:10 -0400
I don't think so. The manufacturers claim (rightly) that the FCC exempts them from certification and verification and in fact this means there are no FCC requirements they must meet before sale . The
/archives//html/RFI/2010-04/msg00029.html (10,467 bytes)

226. Re: [RFI] Surge suppressor distance from panel (score: 1)
Author: "Cortland Richmond" <ka5s@earthlink.net>
Date: Sun, 11 Apr 2010 12:10:35 -0400
My guess is, current limiting. Might catch fire or worse if the source is too stiff. Is it UL (or other safety lab) marked? Sounds like a recall waiting to happen. Cortland KA5S _____________________
/archives//html/RFI/2010-04/msg00032.html (8,018 bytes)

227. Re: [RFI] Does a power pole generating RFI alwaysgenerateultrasonics? (score: 1)
Author: "Cortland Richmond" <ka5s@earthlink.net>
Date: Tue, 8 Jun 2010 21:30:10 -0400
OT WRT DC but... Different set of problems, eh? You get rid of reactive current anyway. Cortland KA5S alwaysgenerateultrasonics? _______________________________________________ RFI mailing list RFI@c
/archives//html/RFI/2010-06/msg00024.html (7,478 bytes)

228. Re: [RFI] Power Line Noise Conundrum (score: 1)
Author: Cortland Richmond <ka5s@earthlink.net>
Date: Sun, 10 Oct 2010 11:06:55 -0400 (GMT-04:00)
Some decades ago I had a persistently high AC noise level, even on VHF, so I went hunting. Eventually, I tracked it down to the local airport, and with a 440 HT set to AM mode and an 11 element beam,
/archives//html/RFI/2010-10/msg00028.html (10,939 bytes)

229. Re: [RFI] Anyone know if this 12v ps is RFI-clean? (score: 1)
Author: "Cortland Richmond" <ka5s@earthlink.net>
Date: Sat, 6 Nov 2010 15:35:54 -0400
I am having to replace a 50V 20 amp Ameritron unregulated supply with something better regulated. I got a fairly cheap 48 V 22 amp switcher -- but knowing what they're like, I also "won" "buy it now"
/archives//html/RFI/2010-11/msg00030.html (10,201 bytes)

230. [RFI] Sylvaniai LED bulb interference (score: 1)
Author: "Cortland Richmond" <ka5s@earthlink.net>
Date: Mon, 29 Nov 2010 07:44:14 -0500
List members may wish to take note that a Sylvania LED "40 watt" LED8A/F/830/350 light sold by Lowes creates harmful interference to FM broadcasting in household tabletop receivers. Two I recently pu
/archives//html/RFI/2010-11/msg00108.html (6,705 bytes)

231. Re: [RFI] CFL Bulbs that are OK! (score: 1)
Author: "Cortland Richmond" <ka5s@earthlink.net>
Date: Tue, 30 Nov 2010 10:38:13 -0500
A GE helical 26W bulb type 26 FLE263/.2.SW produces a robust signal around 2.4 MHz -- and the antenna is 180 feet away from the basement where I use it. Screwed into a motion-sensor the frequency is
/archives//html/RFI/2010-11/msg00132.html (8,466 bytes)

232. Re: [RFI] Sylvaniai LED bulb interference (score: 1)
Author: "Cortland Richmond" <ka5s@earthlink.net>
Date: Tue, 30 Nov 2010 10:42:04 -0500
FWIW, I contacted the ARRL RFI team about my Sylvania LED and they were already looking at them. When I checked Common Mode current from mine, in my shack's desk lamp, the worst I saw at HF was about
/archives//html/RFI/2010-11/msg00133.html (8,412 bytes)

233. Re: [RFI] Grow Lights (score: 1)
Author: Cortland Richmond <ka5s@earthlink.net>
Date: Sat, 1 Jan 2011 21:01:30 -0500 (GMT-05:00)
Could be probable cause, eh? Cortland KA5S --Original Message-- _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi
/archives//html/RFI/2011-01/msg00015.html (8,341 bytes)

234. Re: [RFI] Grow Lights (score: 1)
Author: "Cortland Richmond" <ka5s@earthlink.net>
Date: Sun, 2 Jan 2011 00:17:45 -0500
RFI together with industrial power consumption in a residential dwelling COULD be elements of Probable Cause... I am NOT a lawyer! Cortland KA5S Renters moved in. Renters are all male and look like t
/archives//html/RFI/2011-01/msg00017.html (9,825 bytes)

235. Re: [RFI] Sylvaniai LED bulb interference 20 meters too (score: 1)
Author: "Cortland Richmond" <ka5s@earthlink.net>
Date: Sun, 9 Jan 2011 23:01:15 -0500
I put the one I took out of the bedroom in a desktop lamp at the operating position and today noticed an S4 noise level on 20. It is apparently coming in through 12V powering the auto antenna tuners,
/archives//html/RFI/2011-01/msg00086.html (6,851 bytes)

236. Re: [RFI] HF DF Antenna recommendations (score: 1)
Author: "Cortland Richmond" <ka5s@earthlink.net>
Date: Wed, 19 Jan 2011 22:37:55 -0500
Frank, the Palomar loop antenna may be what you need, with a 160-75 meter loopstick. Don't know if they made a higher frequency one, but I've used a stiff solid electrical wire one-turn loop ~ 1 ft d
/archives//html/RFI/2011-01/msg00170.html (8,357 bytes)

237. Re: [RFI] HF DF Antenna recommendations (score: 1)
Author: Cortland Richmond <ka5s@earthlink.net>
Date: Fri, 21 Jan 2011 06:02:36 -0500 (EST)
Frank, I found an EMCO loop on ebay some years ago, a shielded passive untuned loop that covers about 20Hz - 5 MHz. Realistically, one could build a similar passive loop for the 2-30MHz range in the
/archives//html/RFI/2011-01/msg00175.html (12,814 bytes)

238. Re: [RFI] Old RFI back and a new one help please (score: 1)
Author: "Cortland Richmond" <ka5s@earthlink.net>
Date: Sat, 29 Jan 2011 09:22:22 -0500
I had a similar experience just before leaving Santa Rosa CA. Living on a mountainside ranch, Winter could get to 20 deg. F with sleet; not exactly San Diego warm. The basement laundry room was unhea
/archives//html/RFI/2011-01/msg00227.html (9,077 bytes)

239. Re: [RFI] Wireless Baby Monitors transmit video of unknowing families (score: 1)
Author: Cortland Richmond <ka5s@earthlink.net>
Date: Fri, 11 Feb 2011 23:57:30 -0600 (GMT-06:00)
And the reporters taped and broadcast themselves intercepting wireless telephone calls -- IIRC an ECPA felony. Book 'em, Danno. Cortland KA5S --Original Message-- ____________________________________
/archives//html/RFI/2011-02/msg00058.html (7,569 bytes)

240. Re: [RFI] RFI from Electrolux Front Loading Dryer (score: 1)
Author: "Cortland Richmond" <ka5s@earthlink.net>
Date: Wed, 16 Mar 2011 23:59:27 -0400
Here's something I've seen recommended elsewhere: if you can't put up with the RFI when it's not even running, require them to pick up the offending unit and refund your purchase and installation cos
/archives//html/RFI/2011-03/msg00061.html (8,898 bytes)


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