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References: [ +from:K8RI@rogerhalstead.com: 493 ]

Total 493 documents matching your query.

221. Re: [RFI] RFI issues in electric (or hybrid) vehicles (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Mon, 16 Apr 2012 22:33:42 -0400
With the 99 4-Runner they even installed the power leads back to the rig for me. So when I picked it up all I had to do was plug in the cables to the RF deck, put the mag mount on the roof and I was
/archives//html/RFI/2012-04/msg00049.html (9,624 bytes)

222. Re: [RFI] 1999 Ford Diesel Pickup.jRFI Issues. (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Fri, 27 Apr 2012 12:06:50 -0400
How about the fuel injection? A few years back the fuel injection on a number of diesel engines were terrible RFI generators. 73 Roger (K8RI) _______________________________________________ RFI maili
/archives//html/RFI/2012-04/msg00069.html (8,279 bytes)

223. Re: [RFI] Anyone ID the signal on 14.233? DSSTV (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Fri, 11 May 2012 03:04:36 -0400
Ah, standardization! DRM to most of the world = Digital Rights Management. 73 Roger (K8RI) _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.
/archives//html/RFI/2012-05/msg00018.html (9,464 bytes)

224. Re: [RFI] Is a low pass filter necessary? (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Fri, 11 May 2012 03:19:18 -0400
Most modern rigs contain many. The finals will amplify 28 MHz as well as 1.8. 2nd harmonic of 1.8, is 3.6 Solid state high power amps are the same way. Basically their band switching is changing the
/archives//html/RFI/2012-05/msg00019.html (10,014 bytes)

225. Re: [RFI] Is a low pass filter necessary? (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Fri, 11 May 2012 03:24:07 -0400
Ah, standardization! DRM to most of the world = Digital Rights Management. 73 Roger (K8RI) _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.
/archives//html/RFI/2012-05/msg00020.html (10,131 bytes)

226. Re: [RFI] Is a low pass filter necessary? (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Fri, 11 May 2012 14:18:24 -0400
Low cost? The real culprits I've seen, seem to be some very expensive, top end rigs when run at partial power. 73 Roger (K8RI) _______________________________________________ RFI mailing list RFI@con
/archives//html/RFI/2012-05/msg00028.html (10,631 bytes)

227. Re: [RFI] Is a low pass filter necessary? (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Fri, 11 May 2012 16:21:51 -0400
Another thing I've noticed with the newer rigs is they give the user far more, if not total control over the audio, both coming and going. Because of this, the set up is far less tolerant of mistakes
/archives//html/RFI/2012-05/msg00029.html (13,791 bytes)

228. Re: [RFI] History Channel creeped across 6 meters (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sun, 03 Jun 2012 02:42:55 -0400
It's either a poor connection or some one has wired their antenna direct to the set along with the cable without an AB switch. If you operate on the calling frequency for a while and the leak is loca
/archives//html/RFI/2012-06/msg00019.html (9,881 bytes)

229. Re: [RFI] History Channel creeped across 6 meters (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sun, 03 Jun 2012 02:48:53 -0400
BTW IIRC 145.25 is the audio sub carrier for Ch 18 analog. 73 Roger (K8RI) _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/list
/archives//html/RFI/2012-06/msg00020.html (7,855 bytes)

230. Re: [RFI] In house RFI, but (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Mon, 25 Jun 2012 23:52:45 -0400
Yes. I'm not familiar with it, but I've seen a device that puts a low level signal onto a circuit. Then the circuit can be traced using a probe. It can show the route within inches from one end to th
/archives//html/RFI/2012-06/msg00049.html (8,218 bytes)

231. Re: [RFI] Introduction - power line noise (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Tue, 26 Jun 2012 00:08:45 -0400
Another point is some guy wires may be relatively hot with RF at some frequency and produce no RFI, BUT can under the right circumstances. At one time I had to local repeater in my garage. Originally
/archives//html/RFI/2012-06/msg00050.html (13,451 bytes)

232. Re: [RFI] Computer birdies (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Tue, 26 Jun 2012 14:38:09 -0400
It's a growing problem as more and more people install home networks. Some of these routers are really nasty and can be heard for hundreds of feet. It's relatively easy to cure with Jim's approach in
/archives//html/RFI/2012-06/msg00055.html (8,691 bytes)

233. Re: [RFI] Computer birdies (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Tue, 26 Jun 2012 17:25:44 -0400
One problem...the wireless is too slow by far and requires more attention to security. Apparently more than half of personal Wi-fi networks/connections are unsecure. Even with a gigabit CAT6 network
/archives//html/RFI/2012-06/msg00062.html (9,805 bytes)

234. Re: [RFI] Computer birdies (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Tue, 26 Jun 2012 18:30:14 -0400
True and 5 computers with nigh onto 40,000 high res photos, programming...etc equates to about 6 Terabytes each. Likewise. I have the fastest I could get but even at 100 feet signal is poor. OTOH eve
/archives//html/RFI/2012-06/msg00065.html (9,576 bytes)

235. Re: [RFI] Computer birdies (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Wed, 27 Jun 2012 17:57:20 -0400
CAT 5 and 6 do not like tight turns, but 6 is far better than 5 with dividers separating each pair. I would suggest when winding the chokes just do not try to make the turns nice and compact. IE, Tig
/archives//html/RFI/2012-06/msg00073.html (9,935 bytes)

236. Re: [RFI] Computer birdies (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Thu, 28 Jun 2012 01:23:43 -0400
I gotta get me some of that! I just been using regular commercial grade that comes in a big box. Thanks Jim, 73 Roger (K8RI) _______________________________________________ RFI mailing list RFI@conte
/archives//html/RFI/2012-06/msg00082.html (9,585 bytes)

237. Re: [RFI] Single-point grounding (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sun, 01 Jul 2012 19:07:42 -0400
Like Jim, I'm a strong proponent of the Single Point Ground (SPG) but there are additional factors to be taken into account when other services are taken into account, even if they all enter through
/archives//html/RFI/2012-07/msg00013.html (17,457 bytes)

238. Re: [RFI] Lightning Protection (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Mon, 02 Jul 2012 13:48:15 -0400
I call those drip loops to keep water/moisture out of the coax. I ground the coax shield at both the top and bottom of the tower so I don't worry about the lightning having to jump anywhere and my sy
/archives//html/RFI/2012-07/msg00027.html (12,110 bytes)

239. Re: [RFI] Lightning Protection (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Mon, 02 Jul 2012 13:50:19 -0400
It's a drip loop! You could call it a service loop if desired as it does let them replace a number of connectors before they have to replace the coax. 73 Roger (K8RI) ________________________________
/archives//html/RFI/2012-07/msg00028.html (7,997 bytes)

240. Re: [RFI] RFI & Alarm Systems? (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Thu, 02 Aug 2012 22:26:46 -0400
And have been for years. Many of them operate in the 440 band, I don't know where the new ones operate. 73 Roger (K8RI) _______________________________________________ RFI mailing list RFI@contesting
/archives//html/RFI/2012-08/msg00001.html (7,560 bytes)


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