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References: [ +from:doc@kd4e.com: 279 ]

Total 279 documents matching your query.

181. Re: [RFI] AM Broadcast petition (score: 1)
Author: kd4e <doc@kd4e.com>
Date: Tue, 04 May 2010 22:56:07 -0500
I apologize to the list - I should not have included it in my Reply All. -- .Thanks! & 73, doc, KD4E .Have an http://ultrafidian.com day! . . |_|___|_| . | | & | | . {| . /\ {| . / \ {| . / @ \ {| .
/archives//html/RFI/2010-05/msg00010.html (7,903 bytes)

182. Re: [RFI] AM Broadcast petition (score: 1)
Author: kd4e <doc@kd4e.com>
Date: Wed, 05 May 2010 14:42:00 -0500
Whatever happened to digital AM-BC? Would that not overcome the problem? I am guessing the cost and the competition with converting TV derailed that but perhaps now is the time. I don't know if a dig
/archives//html/RFI/2010-05/msg00014.html (9,417 bytes)

183. [RFI] Taming Bug Zapper RFI? (score: 1)
Author: kd4e <doc@kd4e.com>
Date: Thu, 27 May 2010 23:30:08 -0500
Is it rational to even imagine taming RFI from a bug zapper - or is turning them off the *only* way to quiet them down? -- .Thanks! & 73, doc, KD4E .Have an http://ultrafidian.com day! . . |_|___|_|
/archives//html/RFI/2010-05/msg00019.html (6,934 bytes)

184. Re: [RFI] RFI into A/C condenser (score: 1)
Author: kd4e <doc@kd4e.com>
Date: Thu, 03 Jun 2010 12:32:52 -0500
Jim has, as usual, nailed the remedial methods. Other Questions: Have you looked at your antenna system to be sure it is not radiating lots of harmonics? Have you considered relocating your antennas,
/archives//html/RFI/2010-06/msg00003.html (8,216 bytes)

185. [RFI] Wal-Mart to Put Radio Tags on Clothes - WSJ.com (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Fri, 23 Jul 2010 16:58:41 -0400
I presume that these are the type that only "transmit" when the scanner induces enough energy inductively to cause them to do so? http://online.wsj.com/article/SB1000142405274870442130457538321306119
/archives//html/RFI/2010-07/msg00021.html (8,338 bytes)

186. Re: [RFI] Alternative Noise Sources? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Tue, 12 Oct 2010 17:55:08 -0400
I missed your o.p., did you say that you have pulled your main breaker and eliminated *everything* in your home? Also, even then you'd want to check the meter box and any associated devices that may
/archives//html/RFI/2010-10/msg00035.html (7,603 bytes)

187. [RFI] Noisy or Quiet Power Supplies? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Fri, 15 Oct 2010 17:09:43 -0400
Anyone know if these things are RFI-quiet enough to be around a Ham shack? Tenma Heavy Duty 40 Amp Switch Mode Power Supply 72-7665 (727665) | MCM-Tenma Sale: $99. http://www.mcmelectronics.com/produ
/archives//html/RFI/2010-10/msg00039.html (6,889 bytes)

188. Re: [RFI] Noisy or Quiet Power Supplies? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Sat, 16 Oct 2010 22:38:27 -0400
Thanks for the input! I am hoping to find someone with direct knowledge of this specific PS. The $99. sale price is good but not if it is either unreliable or RFI-troubled. I will see if I can get an
/archives//html/RFI/2010-10/msg00041.html (10,871 bytes)

189. Re: [RFI] RFI from new Hi-efficiency furnace? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Wed, 27 Oct 2010 15:04:12 -0400
Hey Dale and Mel, We will be looking at HVAC units soon as well. I'd be interested in what sort of tests you have done - Dale (bands, modes, type of gear) - and what is the proximity of the antennas
/archives//html/RFI/2010-10/msg00090.html (8,495 bytes)

190. Re: [RFI] RFI from new Hi-efficiency furnace? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Wed, 27 Oct 2010 16:44:40 -0400
Cool, thanks! doc -- Thanks! & 73, doc, KD4E http://KD4E.com Have an http://ultrafidian.com day Defend free speech or lose your freedom. I don't google I SEARCH! http://ixquick.com __________________
/archives//html/RFI/2010-10/msg00094.html (9,833 bytes)

191. Re: [RFI] RFI from new Hi-efficiency furnace? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Wed, 27 Oct 2010 18:14:18 -0400
Thanks! Will have a look at those with my handy-dandy AM-SW handheld receiver. -- Thanks! & 73, doc, KD4E http://KD4E.com Have an http://ultrafidian.com day Defend free speech or lose your freedom. I
/archives//html/RFI/2010-10/msg00096.html (10,735 bytes)

192. Re: [RFI] RFI from new Hi-efficiency furnace? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Wed, 27 Oct 2010 18:15:57 -0400
Thanks! Will bring my handy-dandy AM-SW handheld receiver to a working install they recommend check it out - if they ask me to consider a Trane. -- Thanks! & 73, doc, KD4E http://KD4E.com Have an htt
/archives//html/RFI/2010-10/msg00097.html (9,826 bytes)

193. Re: [RFI] AM radio RFI from 2010 Ford Escape (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Thu, 28 Oct 2010 16:18:14 -0400
I had, and have again, a noisy dash switch/pot to the rear fan in my van. I tightened the ground and cleaned the switch and the RFI went way down but it has returned. It uses the wiring to the fan as
/archives//html/RFI/2010-10/msg00110.html (8,612 bytes)

194. Re: [RFI] Direct TV DVR problems (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Wed, 03 Nov 2010 13:54:36 -0400
I am curious. What is it about the content and manufacturing of toroids that makes them so expensive? -- Thanks! & 73, doc, KD4E http://KD4E.com Have an http://ultrafidian.com day Defend free speech
/archives//html/RFI/2010-11/msg00015.html (9,840 bytes)

195. [RFI] Anyone know if this 12v ps is RFI-clean? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Fri, 05 Nov 2010 22:32:15 -0400
Anyone know if this 12v ps is RFI-clean? "12 Volt 47 Amp Power supplies" See picture here: http://swap.qth.com/view_ad.php?counter=866425 It looks like some sort of modified surplus server PS. I have
/archives//html/RFI/2010-11/msg00022.html (7,106 bytes)

196. Re: [RFI] Anyone know if this 12v ps is RFI-clean? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Sat, 06 Nov 2010 13:24:17 -0400
I was always certain that it was a switcher but some models are oddly RFI-quiet and others a nightmare. I was hoping someone might recognize it and have direct knowledge. I have owned analog supplies
/archives//html/RFI/2010-11/msg00025.html (11,414 bytes)

197. Re: [RFI] Anyone know if this 12v ps is RFI-clean? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Sat, 06 Nov 2010 14:56:21 -0400
Excellent and very helpful summary Dale! It may be worthwhile submitting that as an article to QST - such could save many Hams, especially new Hams, a lot of grief. And last I knew they will even sen
/archives//html/RFI/2010-11/msg00029.html (18,500 bytes)

198. Re: [RFI] Anyone know if this 12v ps is RFI-clean? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Sat, 06 Nov 2010 15:48:26 -0400
There was a flood of 50v 50a switching supplies from commercial servers on the market a while back, they were pretty cheap. A bunch of Hams reported using them and found them to be rficlean, but I co
/archives//html/RFI/2010-11/msg00032.html (11,209 bytes)

199. [RFI] Reasonably Priced Low-RFI "Large" Battery Charger (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Sat, 06 Nov 2010 23:03:31 -0400
My cheap Vector battery charger has died - it did work well for several years - now it won't stay on more than a few seconds. When running it was an RFI-monster! My Vector Start-It 450Amp jump-box ca
/archives//html/RFI/2010-11/msg00034.html (7,331 bytes)

200. Re: [RFI] Reasonably Priced Low-RFI "Large" Battery Charger (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Sun, 07 Nov 2010 15:53:18 -0500
Sounds like a good choice given the dual-purpose charger and daily-use power supply. Have you seen a better price elsewhere? Item#: DLS-45 with built-in IQ4: Price With Options: $178.50 http://store.
/archives//html/RFI/2010-11/msg00037.html (8,209 bytes)


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