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References: [ +from:coldwell@gmail.com: 35 ]

Total 35 documents matching your query.

1. Re: [RFI] Plasma TV's are killing our hobby (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Fri, 31 Dec 2010 08:45:25 -0500
Seems unlikely to me. Plasma is slowly fading away in the competition with other technologies like LCD and (hopefully someday) OLED. The competing technologies will still have switching power supplie
/archives//html/RFI/2010-12/msg00183.html (7,961 bytes)

2. Re: [RFI] Grow Lights (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Sat, 1 Jan 2011 23:12:21 -0500
Sounds like it could be useful for law enforcement .... -- Charles M. Coldwell, W1CMC "Turn on, log in, tune out" Belmont, Massachusetts, New England (FN42jj) GPG ID: 852E052F GPG FPR: 77E5 2B51 4907
/archives//html/RFI/2011-01/msg00016.html (8,489 bytes)

3. Re: [RFI] Grow Lights (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Mon, 3 Jan 2011 10:28:30 -0500
The risk is that law enforcement will fall flat. You report your neighbors, the police come and knock on their door and ask a few questions, then nothing more happens. Now your neighbors rightly susp
/archives//html/RFI/2011-01/msg00034.html (9,187 bytes)

4. Re: [RFI] RFI and Smart meters (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Fri, 7 Jan 2011 11:02:17 -0500
Does anybody know what frequencies smart meters transmit on? Are they yet another Part 15 device in the microwave ISM bands? -- Charles M. Coldwell, W1CMC "Turn on, log in, tune out" Belmont, Massach
/archives//html/RFI/2011-01/msg00076.html (8,585 bytes)

5. Re: [RFI] RFI and Smart meters (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Fri, 7 Jan 2011 21:04:12 -0500
Is that some kind of Zigbee protocol then? -- Charles M. Coldwell, W1CMC "Turn on, log in, tune out" Belmont, Massachusetts, New England (FN42jj) GPG ID: 852E052F GPG FPR: 77E5 2B51 4907 F08A 7E92 DE
/archives//html/RFI/2011-01/msg00079.html (7,672 bytes)

6. Re: [RFI] Wireless Baby Monitors transmit video of unknowing families (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Fri, 11 Feb 2011 22:19:30 -0500
Apparently there are more serious problems with these units http://www.boston.com/community/moms/articles/2011/02/11/big_recall_of_baby_monitors_linked_to_2_deaths/ __________________________________
/archives//html/RFI/2011-02/msg00053.html (9,051 bytes)

7. Re: [RFI] RFI U-verse (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Mon, 28 Feb 2011 05:55:46 -0500
I have Verizon FiOS to my home, so they terminate an optical fiber in my basement on a big white box they call an ONT (Optical Network Terminal, essentially the telco demarc) from whence both CATV (Q
/archives//html/RFI/2011-02/msg00130.html (11,401 bytes)

8. [RFI] NYT on CFL (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Fri, 18 Mar 2011 10:37:46 -0400
http://www.nytimes.com/roomfordebate/2011/03/17/the-politicized-light-bulb -- Charles M. Coldwell, W1CMC "Turn on, log in, tune out" Belmont, Massachusetts, New England (FN42jj) GPG ID:  852E052F GPG
/archives//html/RFI/2011-03/msg00069.html (6,529 bytes)

9. Re: [RFI] More on LightSquared (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Fri, 25 Mar 2011 13:38:12 -0400
The service being interfered with in this case is GPS, which is important enough to deserve consideration even if demand for bandwidth is keen. _______________________________________________ RFI mai
/archives//html/RFI/2011-03/msg00087.html (7,399 bytes)

10. Re: [RFI] RFI Digest, Vol 99, Issue 5 (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Sun, 10 Apr 2011 07:36:28 -0400
Indeed, this the "anti-islanding" requirement of UL-1741 for inverters. The idea is that the power company may have turned off the power intentionally to allow work on the line, so if your home gener
/archives//html/RFI/2011-04/msg00020.html (8,218 bytes)

11. Re: [RFI] Palmdale Antenna Zoning Case rejected by CA Supreme Court? (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Fri, 22 Apr 2011 10:23:09 -0400
K1VR should join the legal team, as this could become a once in a lifetime opportunity to argue an antenna zoning case before the US Supreme Court. -- Charles M. Coldwell, W1CMC "Turn on, log in, tun
/archives//html/RFI/2011-04/msg00046.html (7,546 bytes)

12. Re: [RFI] Smart Meter Lawsuit in Texas (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Mon, 27 Feb 2012 05:29:55 -0500
But there is a more serious threat from smart meters: spectrum squatting. http://www.ve3ncq.ca/wordpress/?page_id=10 http://www.tantalus.com/ 73s -- Charles M. Coldwell, W1CMC "Turn on, log in, tune
/archives//html/RFI/2012-02/msg00021.html (8,916 bytes)

13. Re: [RFI] Smart Meter Lawsuit in Texas (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Mon, 27 Feb 2012 05:33:14 -0500
Suppose the appliance is a central air conditioner. The utility could make a pretty good guess as to whether it is on or off by metering your power consumption. Here in Mass there was some interest i
/archives//html/RFI/2012-02/msg00022.html (8,997 bytes)

14. Re: [RFI] RFI issues in electric (or hybrid) vehicles (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Wed, 11 Apr 2012 06:25:30 -0400
Certainly seems likely, since the gasoline engine can itself be a source of RFI (ignition, fuel injection). See the excellent website from K0BG: http://www.k0bg.com/ignition.html -- Charles M. Coldwe
/archives//html/RFI/2012-04/msg00028.html (8,685 bytes)

15. Re: [RFI] Here we go again (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Wed, 5 Sep 2012 05:28:03 -0400
The better solution is MoCA http://www.mocalliance.org/ Charles M. Coldwell, W1CMC Belmont, Massachusetts, New England _______________________________________________ RFI mailing list RFI@contesting.
/archives//html/RFI/2012-09/msg00008.html (7,628 bytes)

16. Re: [RFI] Signal on 433.875 (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Tue, 20 Nov 2012 09:38:09 -0500
I have in my possession a dev kit from Linx Technologies http://www.digikey.com/product-detail/en/EVAL-433-LT/EVAL-433-LT-ND/1654265 They claim it operates at 433.92 MHz, which is only 45 kHz away fr
/archives//html/RFI/2012-11/msg00049.html (9,936 bytes)

17. Re: [RFI] Interesting App Note for switching power supply designers (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Wed, 2 Jan 2013 09:35:34 -0500
That's a classic Jim Williams app note. The man was (sadly, past tense) a genius. http://www.edn.com/electronics-blogs/readerschoice/4368121/Analog-guru-Jim-Williams-dies-after-stroke Even more sadly
/archives//html/RFI/2013-01/msg00008.html (8,353 bytes)

18. Re: [RFI] Arc fault protection (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Sat, 5 Jan 2013 19:04:01 -0500
Perhaps this explains why the ham whose transmissions were triggering the AFCI was not interested in troubleshooting this issue. -- Charles M. Coldwell, W1CMC "Turn on, log in, tune out" Belmont, Mas
/archives//html/RFI/2013-01/msg00054.html (7,677 bytes)

19. Re: [RFI] Cree LED Bulbs? (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Tue, 12 Mar 2013 10:15:32 -0400
I have a home security system that is 12 volt AC powered; there is a wall-wart transformer that steps it down from line voltage. In the "can", the current is rectified and used to charge a sealed lea
/archives//html/RFI/2013-03/msg00064.html (10,383 bytes)

20. Re: [RFI] The energy-saving LED bulb that switched off the radio (score: 1)
Author: Charles Coldwell <coldwell@gmail.com>
Date: Thu, 28 Mar 2013 15:07:47 -0400
Does anyone have experience with these: http://www.switchlightingco.com/ I have some of their 60-watt equivalents at home; the color is fantastic (very close to incandescent). I haven't done much RFI
/archives//html/RFI/2013-03/msg00137.html (9,829 bytes)


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