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301. Re: [RFI] LED Bulbs (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Tue, 11 Feb 2014 09:21:10 -0500
If it was interfering with TV watching THEN something would be done and quick. Dale, k9vuj You might be wrong. http://www.ecfr.gov/cgi-bin/text-idx?SID=8530a07c597632dbd535add438914a18&node=47:1.0.1.
/archives//html/RFI/2014-02/msg00033.html (10,455 bytes)

302. Re: [RFI] LED Bulbs (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Wed, 12 Feb 2014 10:43:04 -0500
This may be a good one to complain about anyway given the broad spectrum of interference reported; it will affect broadcast, air to ground communications, police, fire and commercial radio reception
/archives//html/RFI/2014-02/msg00048.html (9,805 bytes)

303. Re: [RFI] LED Bulbs (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Wed, 12 Feb 2014 12:18:28 -0500
Oh, I agree Dave. Around 1986 or so I had a lot of power line noise on 2 meters, which I tracked down to a power pole just outside the Haverhill, MA, airport control tower (about 2 miles away). That
/archives//html/RFI/2014-02/msg00063.html (9,494 bytes)

304. Re: [RFI] LED Bulbs (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Wed, 12 Feb 2014 12:26:16 -0500
I stand corrected; thanks; last time I looked at illumination it was CFL's that DO use RF. Should have known better; I've been working with EMC for thirty years. Time to oil the brain bucket. And see
/archives//html/RFI/2014-02/msg00064.html (10,823 bytes)

305. Re: [RFI] LED Bulbs (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Wed, 12 Feb 2014 16:15:21 -0500
The FCC has recently moved against other-than-RF sources. http://www.commlawblog.com/2013/10/articles/enforcement-activities-fines-f/bulbs-behind-bars-ii-fcc-goes-after-hair-salon-lighting-fixture/ h
/archives//html/RFI/2014-02/msg00070.html (11,586 bytes)

306. Re: [RFI] Fraudulent FCC RFI Certification (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Tue, 18 Feb 2014 16:21:49 -0500
When I retired from the Army and went to work at Wang in 1983, it was in their TEMPEST audit lab, but we did FCC audits, too. One new product -- we called it the Fredwriter -- was quite obviously abo
/archives//html/RFI/2014-02/msg00106.html (9,148 bytes)

307. Re: [RFI] DSP for a noisy environment (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Sat, 22 Feb 2014 04:11:30 -0500
One reason the Elecraft IF DSP (or any other IF DSP) works is that it's applied before the AGC detector, keeping the noise from reducing receiver gain. Quite a few audio DSP boxes are available, thou
/archives//html/RFI/2014-02/msg00127.html (11,213 bytes)

308. [RFI] Coming soon to a band near you, etc. (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Tue, 04 Mar 2014 02:39:53 -0500
"LTC3872-1 has the same functionality as the standard LTC3872 except that it has no frequency foldback in current limit. High switching frequency of 550kHz allows the use of a small inductor. The LTC
/archives//html/RFI/2014-03/msg00002.html (6,793 bytes)

309. Re: [RFI] ARRL to FCC... (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Thu, 20 Mar 2014 01:06:08 -0400
Test 'em. They may survive, but they'll never be the same. https://www.rmcybernetics.com/images/main/eng/plasma-gun-2-open.jpg Cortland KA5S 73, Jim K9YC _____________________________________________
/archives//html/RFI/2014-03/msg00050.html (8,030 bytes)

310. Re: [RFI] ARRL to FCC... (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Fri, 21 Mar 2014 15:45:39 -0400
When we're cheated by a merchant who sells noncompliant equipment, we have to act ourselves to recover the cost of replacing non-compliant equiment or bringing it into compliance wit FCC Rules. The F
/archives//html/RFI/2014-03/msg00097.html (12,898 bytes)

311. Re: [RFI] ARRL to FCC... (score: 1)
Author: Cortland Richmond <ka5s@earthlink.net>
Date: Sat, 29 Mar 2014 22:52:00 -0400 (GMT-04:00)
Yes indeed. When I worked at at AST Research in the 1990's, we caught one firm shipping us unshielded laptop computers, and had we not tested one of the first, they would have insisted the contract b
/archives//html/RFI/2014-03/msg00294.html (9,467 bytes)

312. Re: [RFI] ARRL to FCC... (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Mon, 31 Mar 2014 13:24:13 -0400
In general, these are between the buyers and vendors, and it is IMO a not-so-smart economy to leave them out. Considering the distance between buyers and vendors and the (in)ability of buyers to exer
/archives//html/RFI/2014-03/msg00312.html (10,507 bytes)

313. Re: [RFI] ARRL to FCC... (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Tue, 01 Apr 2014 07:34:59 -0400
Considering I got into EMC while the FCC was still "going to town" on enforcement, and doing its own testing too (complete with IIRC a frog under the 1-meter wooden turntable OATS outside their offic
/archives//html/RFI/2014-04/msg00000.html (8,048 bytes)

314. Re: [RFI] VDSL (very-high-bit-rate digital subscriber line) (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Sun, 20 Apr 2014 02:33:31 -0400
In 1997 I did some GR-1089 testing on a pole/messenger wire-mounted VDSL box. My employer dropped the project about the time it was ready to be shipped. I'll say I don't remember any Part 15 "overage
/archives//html/RFI/2014-04/msg00135.html (10,607 bytes)

315. Re: [RFI] Question for all and ARRL (score: 1)
Author: Cortland Richmond <ka5s@earthlink.net>
Date: Mon, 19 May 2014 18:22:41 -0400 (GMT-04:00)
This about says it all: http://www.king5.com/news/local/Washgton-pot-growers-face-federal-charges-259821751.html When people ask me what I do for a living these days, I often point to grow-lights as
/archives//html/RFI/2014-05/msg00051.html (8,234 bytes)

316. Re: [RFI] Question for all and ARRL (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Tue, 20 May 2014 09:03:57 -0400
Call a local AM broadcaster and tell THEM something is interfering with reception. They can complain and be heard by the FCC. Cortland KA5S On 5/19/2014 9:57 PM, David Cole wrote: If only they would
/archives//html/RFI/2014-05/msg00060.html (8,631 bytes)

317. Re: [RFI] Broadcast station RFI Mixing - RESOLVED (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Thu, 29 May 2014 08:38:10 -0400
That's a reminder about rotating machinery for the "Rusty Bolt" annals, isn't it? Well done! Cortland KA5S _______________________________________________ RFI mailing list RFI@contesting.com http://l
/archives//html/RFI/2014-05/msg00091.html (8,168 bytes)

318. Re: [RFI] Utility coming tomorrow to chase RFI (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Tue, 03 Jun 2014 15:12:16 -0400
I tracked down a noisy insulator that way thirty years ago. DF'on on 2m, then 440. It was at the local airport -- and the noise stopped not long after I left a message with the tower. Cortland 73, de
/archives//html/RFI/2014-06/msg00014.html (9,572 bytes)

319. Re: [RFI] RFI Power Supplies (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Thu, 05 Jun 2014 23:43:12 -0400
On 6/5/2014 11:52 AM, Anthony (N2KI) wrote: Here is the info on the IOTA DLS-55. If you also get the IQ4 smart charger module (like I did or buy the supply with the internal IQ4) it turns the supply
/archives//html/RFI/2014-06/msg00039.html (7,940 bytes)

320. Re: [RFI] RFI Power Supplies (score: 1)
Author: CR <ka5s@earthlink.net>
Date: Fri, 06 Jun 2014 12:46:11 -0400
I HAVE noticed, after the batteries (two 6V 200AH deep cycle batteries) are discharged a while, that when the power comes back on and the DLS-55 gets to serious charging, there is very noticeable RF
/archives//html/RFI/2014-06/msg00048.html (7,917 bytes)

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