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Total 279 documents matching your query.

221. Re: [RFI] desklight RFI---FYI: Ottlight desk lamp from Lowes (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Sat, 29 Jan 2011 17:01:18 -0500
And you are not the neighbor of a Ham who you like? BTW: I added the lamp model to the Subject so it is more easily picked up when Hams do a search for lamps to avoid. -- Thanks! & 73, KD4E David Col
/archives//html/RFI/2011-01/msg00229.html (9,428 bytes)

222. Re: [RFI] Across-the-bay line noise from 17 miles away (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Tue, 01 Feb 2011 10:06:33 -0500
This story should be in QST. doc -- Thanks! & 73, KD4E David Colburn http://kd4e.com Have an http://ultrafidian.com day I don't google I SEARCH! http://ixquick.com Shop Freedom-Friendly http://kd4e.c
/archives//html/RFI/2011-02/msg00002.html (10,707 bytes)

223. Re: [RFI] Gone then back (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Tue, 01 Feb 2011 21:32:32 -0500
Lutron made a better quality dimmer with greater contact area and quality. -- Thanks! & 73, KD4E David Colburn http://kd4e.com Have an http://ultrafidian.com day I don't google I SEARCH! http://ixqui
/archives//html/RFI/2011-02/msg00010.html (7,717 bytes)

224. Re: [RFI] Clamp on RF meter (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Wed, 02 Feb 2011 14:00:11 -0500
Would this device tell me anything a MFJ-259b or MFJ-269 or other antenna analyzer would not? WOuld the antenna analyzer give better overall context to the data? -- Thanks! & 73, KD4E David Colburn h
/archives//html/RFI/2011-02/msg00021.html (9,322 bytes)

225. [RFI] Actually an AFI Question ... (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Thu, 03 Feb 2011 16:47:36 -0500
Can low-frequency audio be canceled using sound? I seem to recall someone using sound to cancel echos in a hall to improve the acoustic qualities. Would it be possible to detect thumpa-thumpa loud ca
/archives//html/RFI/2011-02/msg00024.html (7,064 bytes)

226. Re: [RFI] Actually an AFI Question ... (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Thu, 03 Feb 2011 21:56:47 -0500
This is obviously not my field, and a bit off-topic, so based on no way to acoustically cancel low-frequency sound waves in the open (yard) then I have to find a way to motivate the miscreants to tur
/archives//html/RFI/2011-02/msg00029.html (9,804 bytes)

227. [RFI] Return to the HVAC Issue (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Tue, 08 Feb 2011 13:36:35 -0500
Returning briefly to the RFI-safe HVAC matter. I see that a 1.5 - 2 ton HVAC system is about $2,000: http://ingramswaterandair.com/ Does anyone have recent experience with a *specific model* we can s
/archives//html/RFI/2011-02/msg00032.html (7,403 bytes)

228. Re: [RFI] RE HVAC issue (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Wed, 09 Feb 2011 12:24:19 -0500
Thanks Mel! My experience across computers, radios, and other equipment (and the reports of others) is that even matching models can sometimes result in different results as manufacturers change key
/archives//html/RFI/2011-02/msg00035.html (8,188 bytes)

229. [RFI] Wireless Baby Monitors transmit video of unknowing families (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Fri, 11 Feb 2011 22:11:09 -0500
Perhaps Amateur Radio, maybe via the ARRL, can offer to assist people in resolving this? It may be as simple as an aluminum-foil lined sleeve over the transmitter's antenna to weaken the signal. It w
/archives//html/RFI/2011-02/msg00052.html (8,161 bytes)

230. Re: [RFI] Wireless Baby Monitors transmit video of unknowing families (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Fri, 11 Feb 2011 22:23:01 -0500
Maybe someone needs to show them how to use wire-ties to secure power cables? The battery problem has popped up in phones and other devices over the years. Probably more of the poor quality control f
/archives//html/RFI/2011-02/msg00054.html (8,818 bytes)

231. Re: [RFI] Wireless Baby Monitors transmit video of unknowing families (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Fri, 11 Feb 2011 23:49:13 -0500
Yup, just way further and without any security, than the owners think they are. Get yourself an inexpensive wireless backup camera for your car and just connect the receiver - then drive around the b
/archives//html/RFI/2011-02/msg00056.html (8,657 bytes)

232. Re: [RFI] Another look at Geothermal H&V (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Sun, 13 Feb 2011 12:23:45 -0500
Check out this product: http://www.geothermalheaters.com/ Ask them about RFI, they are competent and honest folk. I would like to know what you learn. Their systems are mostly DIY so you can save a l
/archives//html/RFI/2011-02/msg00064.html (8,485 bytes)

233. Re: [RFI] RE HVAC issue (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Thu, 17 Feb 2011 15:51:58 -0500
I looked into Carrier and they require one to go through an authorized dealer - which increases the cost dramatically - and they will not support grey-market units. Thanks for the info, hopefully it
/archives//html/RFI/2011-02/msg00083.html (8,882 bytes)

234. Re: [RFI] RE HVAC issue - AC or DC Motor? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Thu, 17 Feb 2011 16:57:18 -0500
Rheem is offering two different motors - does one sound "safer" re RFI than the other? The older ECM type appears to be AC whereas the newer X13 appears to be brushless-DC. See: http://www.gotoevo.co
/archives//html/RFI/2011-02/msg00084.html (10,669 bytes)

235. [RFI] AC or DC HVAC Motor Preferred? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Tue, 22 Feb 2011 12:31:13 -0500
Would I be more likely to avoid RFI with an AC or a DC motor in my new HVAC, please? They are both variable-speed as that seems to be part of the way they get higher SEER ratings. -- Thanks! & 73, KD
/archives//html/RFI/2011-02/msg00092.html (7,199 bytes)

236. Re: [RFI] The "new" light bulbs; it is accurate. (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Tue, 08 Mar 2011 14:58:09 -0500
The LED itself is rarely if every the problem, it is the cheap Chinese electronic power supply paired with them. The key is to try to figure out which brand uses decent electronics. Another variable
/archives//html/RFI/2011-03/msg00006.html (9,830 bytes)

237. [RFI] MFJ-805 RFI detector - Any good? (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Wed, 09 Mar 2011 10:53:21 -0500
I did a quick Search and didn't find a review. Is the MFJ-805 RFI detector any good? http://www.universal-radio.com/CATALOG/meters/4029.html -- Thanks! & 73, KD4E David Colburn http://kd4e.com SE-GA
/archives//html/RFI/2011-03/msg00016.html (7,030 bytes)

238. Re: [RFI] Reasonably Priced Low-RFI Large Battery Charger (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Sat, 12 Mar 2011 18:14:11 -0500
A while back I was looking for a "reasonably priced low-RFI large-battery charger". Chris Brown recommended the "IOTA Engineering DLS series, one of the 12V units, and with the built in IQ4." It took
/archives//html/RFI/2011-03/msg00044.html (8,003 bytes)

239. [RFI] FOR SALE: ALphaLab TriField meter (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Mon, 14 Mar 2011 22:51:28 -0400
EMF METER SPOTTED on : swap.qth.com Caveat emptor ... *FOR SALE: ALphaLab TriField meter* http://swap.qth.com/view_ad.php?counter=897358 -- Thanks!& 73, KD4E David Colburn http://kd4e.com SE-GA Tailg
/archives//html/RFI/2011-03/msg00049.html (6,973 bytes)

240. Re: [RFI] Kitchen remodeling appliances (score: 1)
Author: "doc@kd4e.com" <doc@kd4e.com>
Date: Wed, 16 Mar 2011 21:50:53 -0400
There is a high probability that they will, they are usually cheap switchers. Bring a portable radio to the showroom and test them. Even so, there are unique variables in your installation, the prox
/archives//html/RFI/2011-03/msg00055.html (8,492 bytes)


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