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261. [RFI] Signal on 433.875 (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Thu, 15 Nov 2012 21:11:18 -0500
Had an intermittent signal that "apparently" has a digital component show up on 433.875. There is a LOT of STUFF being built/sold now days that operates in that range. When actually looking there app
/archives//html/RFI/2012-11/msg00036.html (7,085 bytes)

262. Re: [RFI] Signal on 433.875 (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Thu, 15 Nov 2012 22:25:58 -0500
On 11/15/2012 9:24 PM, Jim Brown wrote: On 11/15/2012 6:11 PM, Roger (K8RI) wrote: Had an intermittent signal that "apparently" has a digital component show up on 433.875. There is a LOT of STUFF bei
/archives//html/RFI/2012-11/msg00039.html (8,683 bytes)

263. Re: [RFI] Signal on 433.875 (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sun, 18 Nov 2012 01:26:58 -0500
It's also in the repeater link area for remote receivers. 73 Roger (K8RI) _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/list
/archives//html/RFI/2012-11/msg00044.html (7,394 bytes)

264. Re: [RFI] Signal on 433.875 (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Mon, 19 Nov 2012 00:53:06 -0500
Yes, but that would be "Ham" application, and not relevant to RFI. But it is if it's the link hearing the other signal. Looks like that specific frequency is a very bad one for a link. I know of at l
/archives//html/RFI/2012-11/msg00046.html (8,829 bytes)

265. Re: [RFI] Ballast for fluorescent lamp (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Mon, 24 Dec 2012 13:00:43 -0500
On 12/24/2012 11:46 AM, Jim Brown wrote: On 12/24/2012 8:29 AM, Steve wrote: The big-box stores only carry the electronic ballasts. Wonder if the electronic ballast will cause me problems? Expect the
/archives//html/RFI/2012-12/msg00114.html (9,342 bytes)

266. Re: [RFI] Ballast for fluorescent lamp (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Mon, 24 Dec 2012 16:28:32 -0500
On 12/24/2012 1:00 PM, Roger (K8RI) wrote: On 12/24/2012 11:46 AM, Jim Brown wrote: On 12/24/2012 8:29 AM, Steve wrote: The big-box stores only carry the electronic ballasts. Wonder if the electronic
/archives//html/RFI/2012-12/msg00122.html (9,905 bytes)

267. Re: [RFI] HDTV: Plasma vs LCD (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Wed, 26 Dec 2012 11:01:58 -0500
Thank you for reinforcing my point about the FCC's deplorable lack of guts and common sense with emissions. The situation for TV receivers, plus the general lack of radiated emissions requirements te
/archives//html/RFI/2012-12/msg00149.html (13,589 bytes)

268. Re: [RFI] Ultrasonic Dish (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Wed, 02 Jan 2013 05:29:18 -0500
Virtually anything that is roughly the desired shape will word, be it plastic or metal: Cook ware, kids snow saucers, etc. Just go into Lowe's, Home Depot, Sears, Koh'ls, or hard ware stores and look
/archives//html/RFI/2013-01/msg00003.html (7,785 bytes)

269. Re: [RFI] Troubleshooting AFCI Tripping Due To Amateur Transmissions (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Fri, 04 Jan 2013 10:04:47 -0500
First we are dealing with two issues, one of diplomacy/cooperation and one of a technical nature. Before calling the ham a prick for not cooperating (such do exist) I'm interested in why he has chose
/archives//html/RFI/2013-01/msg00043.html (13,007 bytes)

270. Re: [RFI] Arc fault protection (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sat, 05 Jan 2013 16:35:26 -0500
On 1/5/2013 12:40 PM, rick darwicki wrote: I remember when these first came out, building codes required them on the duplex outlet circuits to bedrooms so electric blankets didn't cause fires. Now a
/archives//html/RFI/2013-01/msg00049.html (8,812 bytes)

271. Re: [RFI] URGENT: Washing Machine RFI (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sun, 24 Feb 2013 20:22:17 -0500
We have a front loader, it works fine, and creates no RFI. However its about 5 years old. What's this about a "cupful of water"?? Off topic, I also would be careful to buy a new toilet and shower hea
/archives//html/RFI/2013-02/msg00019.html (9,674 bytes)

272. [RFI] router RFI (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sun, 03 Mar 2013 23:01:42 -0500
Interesting discussion. I can not hear a peep out of my router and switch. 5 computers on cat6 megabit, as well as one net book, one lap top, and one printer on wireless. NADA, but I do hear two sign
/archives//html/RFI/2013-03/msg00010.html (6,969 bytes)

273. Re: [RFI] "Fake" power supplies (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Thu, 14 Mar 2013 21:59:14 -0400
In view of the continuing multiple threads regarding RFI to radio systems from various products and their power supplies, here is an article that I think sheds some light on the severity of the probl
/archives//html/RFI/2013-03/msg00073.html (10,141 bytes)

274. Re: [RFI] "Fake" power supplies (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sat, 16 Mar 2013 01:13:25 -0400
On 3/15/2013 1:30 AM, Dale wrote: relevant. If they have fake components and maybe faked UL and FCC labels, then they are fakes as far as being products that are legitimate to market in the USA. No,
/archives//html/RFI/2013-03/msg00082.html (8,314 bytes)

275. Re: [RFI] wireless weather stations interference? (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Tue, 19 Mar 2013 11:47:03 -0400
I going to try a Davis Weather Station and is nice to know that are wireless versions for both Pro2 and Vantage Vue They operate on the 440 band and it's just a pulse. Even operating on 440 I've neve
/archives//html/RFI/2013-03/msg00093.html (8,758 bytes)

276. Re: [RFI] TVI Question (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Thu, 25 Apr 2013 01:17:39 -0700
Not necessarily. The purity of the signal depends on many things, but a ham amplifier should be able to work on most frequencies within their range with maybe a couple exceptions if operated properly
/archives//html/RFI/2013-04/msg00041.html (11,045 bytes)

277. Re: [RFI] Shielding a ground wire (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Fri, 26 Apr 2013 00:30:18 -0700
It means that you have voltage on the ground wire , or between the wire and earth, How and where is it getting on the wire. Does the ground wire have a good low resistance earth connection. Don't for
/archives//html/RFI/2013-04/msg00052.html (9,251 bytes)

278. Re: [RFI] Shielding a ground wire (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sun, 28 Apr 2013 14:42:00 -0700
But if I run over 1KW to my 4el Yagi on 40m and my PC stops working, I have to fix that problem. I did not use the band aid either. Nowadays my ham shack is more like Faraday shield, hi. And lightnin
/archives//html/RFI/2013-04/msg00073.html (12,502 bytes)

279. Re: [RFI] Shielding a ground wire (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sun, 28 Apr 2013 15:31:35 -0700
But if I run over 1KW to my 4el Yagi on 40m and my PC stops working, I have to fix that problem. I did not use the band aid either. Nowadays my ham shack is more like Faraday shield, hi. And lightnin
/archives//html/RFI/2013-04/msg00074.html (14,984 bytes)

280. Re: [RFI] RF tight rooms - somewhat OT (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sun, 12 May 2013 11:13:28 -0400
I know a crystal radio enthusiast in CA that lives near a 50KW BCB radio station. He's been having trouble making Q-meter measurements on some of his hi-Q coils using a HP Q-meter. He's been making e
/archives//html/RFI/2013-05/msg00011.html (10,107 bytes)

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