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Total 43 documents matching your query.

1. [RFI] LED lighting (score: 1): Author: Phil Snyder <n9lah@comcast.net>; Date: Sun, 26 Jul 2015 09:50:35 -0500; Well after a 4 year period the local electric company found the offending lightning arrester and voila no more noise! Unfortunately, the neighbor behind me just remodeled the outside of their house a; /archives//html/RFI/2015-07/msg00062.html (7,216 bytes)
2. Re: [RFI] LED lighting (score: 1): Author: "David Robbins" <k1ttt@arrl.net>; Date: Sun, 26 Jul 2015 15:36:55 +0000; They could just be led bulbs in a standard 120v socket also... in those there is a switching supply in the base of each bulb. David Robbins K1TTT e-mail: mailto:k1ttt@arrl.net web: http://wiki.k1ttt.; /archives//html/RFI/2015-07/msg00063.html (8,152 bytes)
3. Re: [RFI] LED lighting (score: 1): Author: "Hare, Ed W1RFI" <w1rfi@arrl.org>; Date: Mon, 27 Jul 2015 15:04:14 +0000; I bought one multi-LED bulb that came from China. It was dead quiet. My guess is that it simply put the LEDs in series and connected them to the line. Not all of them will have a switcher in them. AR; /archives//html/RFI/2015-07/msg00064.html (10,592 bytes)
4. Re: [RFI] LED lighting (score: 1): Author: "qrv@kd4e.com" <qrv@kd4e.com>; Date: Mon, 27 Jul 2015 11:19:05 -0400; Does the ARRL perform aging-simulation tests? Many of us have experienced heat-fatigue and/or vibration fatigue failures in poorly-soldered connections - especially since the era/error of lead-free s; /archives//html/RFI/2015-07/msg00065.html (9,392 bytes)
5. Re: [RFI] LED lighting (score: 1): Author: "Hare, Ed W1RFI" <w1rfi@arrl.org>; Date: Mon, 27 Jul 2015 15:23:18 +0000; We haven't done any of that sort of thing, David. It's hard enough to find the time to test the products we test. Unfortunately, there is probably little that can be done about such QC problems. FCC; /archives//html/RFI/2015-07/msg00066.html (10,334 bytes)
6. Re: [RFI] LED lighting (score: 1): Author: "Hare, Ed W1RFI" <w1rfi@arrl.org>; Date: Mon, 27 Jul 2015 15:25:53 +0000; Actually, we don't. We have the screen room to do receiver and transmitter testing, and a room set up in compliance with ANSI C63.4 to do conducted-emission measurements, but not an anechoic chamber.; /archives//html/RFI/2015-07/msg00067.html (12,648 bytes)
7. Re: [RFI] LED lighting (score: 1): Author: "qrv@kd4e.com" <qrv@kd4e.com>; Date: Mon, 27 Jul 2015 11:45:25 -0400; OK, I didn't know if there was a simple & cheap way to run a stress test. I once communicated with a Ham years ago who's company moto was "You make it. we break it" - their business was stress testin; /archives//html/RFI/2015-07/msg00068.html (8,682 bytes)
8. Re: [RFI] LED lighting (score: 1): Author: David Cole <dave@nk7z.net>; Date: Mon, 27 Jul 2015 09:55:11 -0700; Hi Ed, I discovered that the City here is going to be switching to LED streetlights soon, and ended up in contact with the City Engineer... The long and short of it is that the city had not even thou; /archives//html/RFI/2015-07/msg00069.html (13,208 bytes)
9. Re: [RFI] LED lighting (score: 1): Author: "Hare, Ed W1RFI" <w1rfi@arrl.org>; Date: Mon, 27 Jul 2015 16:59:11 +0000; Great. I also have a ham who works in the electric-utility industry sending me one to test. They will not all be made by one company, but this is a very encouraging sign. The LED bulb is NOT an RF-dr; /archives//html/RFI/2015-07/msg00070.html (15,766 bytes)
10. Re: [RFI] LED lighting (score: 1): Author: CR <ka5s@earthlink.net>; Date: Mon, 27 Jul 2015 13:11:55 -0400; The long and short of it is that the city had not even thought about Part 15/18 compliance, but when they looked, the lights were compliant LED stop lights, however, have been known interferers for s; /archives//html/RFI/2015-07/msg00071.html (9,128 bytes)
11. Re: [RFI] LED lighting (score: 1): Author: David Cole <dave@nk7z.net>; Date: Mon, 27 Jul 2015 10:31:02 -0700; Please don't let that bone go... THANK YOU for your past and future work as well!!! -- Thanks and 73's, For equipment, and software setups and reviews see: www.nk7z.net For MixW support see; http://g; /archives//html/RFI/2015-07/msg00073.html (9,370 bytes)
12. Re: [RFI] LED lighting (score: 1): Author: David Cole <dave@nk7z.net>; Date: Mon, 27 Jul 2015 10:33:01 -0700; Ed, Good that you are picking your fights! If you hit every item that was jut above limits, the FCC would soon stop listening! -- Thanks and 73's, For equipment, and software setups and reviews see:; /archives//html/RFI/2015-07/msg00074.html (15,645 bytes)
13. Re: [RFI] LED lighting (score: 1): Author: David Cole <dave@nk7z.net>; Date: Mon, 27 Jul 2015 10:34:59 -0700; I also listened at VHF (2M), and heard nothing... -- Thanks and 73's, For equipment, and software setups and reviews see: www.nk7z.net For MixW support see; http://groups.yahoo.com/neo/groups/mixw/in; /archives//html/RFI/2015-07/msg00075.html (17,992 bytes)
14. Re: [RFI] LED lighting (score: 1): Author: David Cole <dave@nk7z.net>; Date: Mon, 27 Jul 2015 10:37:51 -0700; Hi Cortland, I have noticed that, but, like the ARRL we are picking our fights... Going for the items that affect the most hams in the area first. -- Thanks and 73's, For equipment, and software setu; /archives//html/RFI/2015-07/msg00076.html (10,118 bytes)
15. Re: [RFI] LED lighting (score: 1): Author: "Hare, Ed W1RFI" <w1rfi@arrl.org>; Date: Mon, 27 Jul 2015 17:49:41 +0000; We have tried to take the issue of LED traffic lights to the FCC. Based on the reported signal levels, it is very likely that they meet the FCC emissions limits for conducted emissions below 30 MHz a; /archives//html/RFI/2015-07/msg00077.html (12,581 bytes)
16. Re: [RFI] LED lighting (score: 1): Author: "Hare, Ed W1RFI" <w1rfi@arrl.org>; Date: Mon, 27 Jul 2015 18:09:24 +0000; ARRL just turned in 3 more measured results of grow lights operating way above the FCC limits. Please don't let that bone go... THANK YOU for your past and future work as well!!! -- Thanks and 73's,; /archives//html/RFI/2015-07/msg00078.html (9,829 bytes)
17. Re: [RFI] LED lighting (score: 1): Author: "qrv@kd4e.com" <qrv@kd4e.com>; Date: Mon, 27 Jul 2015 13:06:00 -0400; David, What about VHF, UHF, SHF? No potential for weak signal GPS or WiFi interference? David -- *David* KD4E ARES-EC Bulloch County, Nevils, Georgia USA Safe & Secure Search Engine: duckduckgo.com A; /archives//html/RFI/2015-07/msg00079.html (9,816 bytes)
18. Re: [RFI] LED lighting (score: 1): Author: David Cole <dave@nk7z.net>; Date: Mon, 27 Jul 2015 12:45:28 -0700; God Love you people!!!!! Please publicize this on your web site! It helps bring the issue up in front of folks, thus making more non-hams aware of the issue. -- Thanks and 73's, For equipment, and so; /archives//html/RFI/2015-07/msg00082.html (11,147 bytes)
19. Re: [RFI] LED lighting (score: 1): Author: David Cole <dave@nk7z.net>; Date: Mon, 27 Jul 2015 12:50:56 -0700; Hi, As I said, (and told the City folks), not scientific, had we had more time I would have been able to do a proper test, but the lights are already up and running... I will do a few more drive by e; /archives//html/RFI/2015-07/msg00083.html (10,528 bytes)
20. Re: [RFI] LED lighting (score: 1): Author: David Cole <dave@nk7z.net>; Date: Mon, 27 Jul 2015 12:59:06 -0700; Just to make it worse Ed... I am seeing fiberglass power poles coming into use for street lights... No more shielding... -- Thanks and 73's, For equipment, and software setups and reviews see: www.nk; /archives//html/RFI/2015-07/msg00084.html (15,086 bytes)

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