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

Total 279 documents matching your query.

201. [RFI] Kudos for Excelsior EMC Power Company (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Mon, 08 Nov 2010 16:03:19 -0500
Is there an ARRL Certificate of commendation for a power company that is exceptional in resolving RFI? I E-mailed Excelsior EMC Power here in the Statesboro area of SE Georgia, USA that there was a l
/archives//html/RFI/2010-11/msg00045.html (7,760 bytes)

202. Re: [RFI] Computer locks up (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Wed, 24 Nov 2010 23:08:12 -0500
What is the antenna parallel to that may be coupling it into your computer? What cables are connected to your computer that may have resonance on 40m (e.g. a long network extension cable)? What devic
/archives//html/RFI/2010-11/msg00102.html (7,621 bytes)

203. [RFI] Green Home - Smart Strip Surge Protector - 7 outlets (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Mon, 29 Nov 2010 18:56:32 -0500
Anyone tested one of these for RFI? The current-sensing circuit makes me nervous ... http://www.greenhome.com/products/appliances/computing/115594/ -- Thanks!& 73, doc, KD4E http://KD4E.com Have an h
/archives//html/RFI/2010-11/msg00121.html (7,445 bytes)

204. Re: [RFI] CFL Bulbs that are OK! (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Tue, 30 Nov 2010 10:17:07 -0500
It has made sure that GE, who was losing in the incandescent bulb market, had the corner on the CFL market. Other than that it's like the just-confessed latest revelation of Al Gore's self-serving di
/archives//html/RFI/2010-11/msg00131.html (10,340 bytes)

205. Re: [RFI] CFL Bulbs that are OK! (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Tue, 30 Nov 2010 11:41:56 -0500
I have tried a variety of CFL's and LED's and can report the same mixed-bag as others, some are clean and some are not. It seems to be the control circuitry and not the light-producing part of the CF
/archives//html/RFI/2010-11/msg00142.html (11,928 bytes)

206. [RFI] An RFI-quiet light timer? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Thu, 02 Dec 2010 11:00:26 -0500
Before I go shopping for a light timer that can tolerate a little exposure - partially-sheltered - outside, I thought I'd ask here for recommendations. Who is using a light timer outside with good re
/archives//html/RFI/2010-12/msg00004.html (7,031 bytes)

207. Re: [RFI] re CFL bulbs in cold weather (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Thu, 02 Dec 2010 21:08:03 -0500
If the electronics are of good quality, and are well-sealed, then a LED may be an even better choice. CFL performance is the most-dependent upon the quality of the associated-electronics of the three
/archives//html/RFI/2010-12/msg00010.html (8,673 bytes)

208. [RFI] Tripp-Lite UPS Out-gassing? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Sat, 04 Dec 2010 21:20:28 -0500
This goes a little more to biological-interference than to radio frequency interference but I didn't know where else to ask this. I recently bought a new Tripp-Lite "Internet Office UPS". Model: Inte
/archives//html/RFI/2010-12/msg00041.html (7,265 bytes)

209. [RFI] Stellar Labs 100' Twisted Pair (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Tue, 14 Dec 2010 09:00:12 -0500
Would this be a good choice to avoid RFI? Unshielded twisted pair 12 AWG 4pk - 100' 1/4" to 1/4" Professional Speaker Cable <http://www.mcmelectronics.com/product/24-10577&scode=DD2103> Manufacturer:
/archives//html/RFI/2010-12/msg00079.html (7,589 bytes)

210. [RFI] Feedthrough Filters ... (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Sun, 19 Dec 2010 13:27:04 -0500
Just in case someone needs these to help solve a problem. I do not know the seller or the products. 73, doc -- -- Original Message -- Subject: [TestEquipTrader] Feedthrough Filters great for projects
/archives//html/RFI/2010-12/msg00135.html (7,564 bytes)

211. Re: [RFI] RFI from Apple Airport Extreme (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Thu, 30 Dec 2010 18:11:38 -0500
Different suggestion ... replace the noisy wall-warts with analog ac-dc power supplies. -- A blessed New Year & 73, doc, KD4E http://kd4e.com Have an http://ultrafidian.com day Defend free speech or
/archives//html/RFI/2010-12/msg00170.html (10,014 bytes)

212. Re: [RFI] Plasma TV's are killing our hobby (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Fri, 31 Dec 2010 11:54:41 -0500
This may be part of the solution. When a new device shows up that interferes with radio communications, overload it so that it is useless, then the owner will return it. We have a right to use our ge
/archives//html/RFI/2010-12/msg00188.html (9,528 bytes)

213. Re: [RFI] Plasma TV's are killing our hobby (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Fri, 31 Dec 2010 23:23:01 -0500
Is there an engineer on the list who is good with bureaucratic legalese who might create a document for this very purpose? I should be multiple pages, obtuse as possible (draw upon IRS and banking do
/archives//html/RFI/2010-12/msg00202.html (10,398 bytes)

214. Re: [RFI] Grow Lights (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Sat, 01 Jan 2011 20:57:06 -0500
Time to drop a dime? -- A blessed New Year & 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/2011-01/msg00014.html (7,845 bytes)

215. [RFI] Unknown Spec Clamp On Toroids (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Wed, 05 Jan 2011 13:46:47 -0500
Anyone familiar with the apps for which these would be appropriate, please? COL1066Split BeadRFI Killer http://www.bgmicro.com/COL1066.aspx -- Thanks!& 73, KD4E David Colburn http://kd4e.com Have an
/archives//html/RFI/2011-01/msg00059.html (6,892 bytes)

216. Re: [RFI] Cell Phone Charger Duracell made in China (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Wed, 05 Jan 2011 14:04:25 -0500
I thought the proposal was for all wall-warts of the same voltage (and polarity) sharing a common connector. Different voltages and polarities should have different connectors. Autoranging supplies a
/archives//html/RFI/2011-01/msg00061.html (9,054 bytes)

217. [RFI] 12 Volt Dimmer, Speed Controller Kit (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Wed, 05 Jan 2011 18:00:49 -0500
This looks potentially troubling ... PWM ... WDYT? http://www.bgmicro.com/12voltdimmerorspeedcontroller.aspx -- Thanks!& 73, KD4E David Colburn http://kd4e.com Have an http://ultrafidian.com day Defe
/archives//html/RFI/2011-01/msg00065.html (6,905 bytes)

218. Re: [RFI] Bleh (Re: HVAC Variable Speed Motors (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Thu, 06 Jan 2011 13:34:37 -0500
Something went out of spec - could be a resistor or capacitor, or a adjustment potentiometer, or a mechanical connection or device ... it is not unusual for things to get noisy over time ... locating
/archives//html/RFI/2011-01/msg00070.html (9,411 bytes)

219. [RFI] Battery Maintainers & RFI (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Thu, 13 Jan 2011 20:34:05 -0500
Many of us would benefit from a reliable battery maintenance charger for backup and portable batteries - but the problem has been suffering overcharge or troublesome cycling. In the search for a low-
/archives//html/RFI/2011-01/msg00130.html (9,504 bytes)

220. Re: [RFI] Battery Maintainers & RFI (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Fri, 14 Jan 2011 23:39:43 -0500
Did you consider this text as of interest or is your battery not exposed to those sorts of temperature extremes? "ATTENTION: Never use a charger without temperature compensation if your battery compa
/archives//html/RFI/2011-01/msg00138.html (9,833 bytes)

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