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Total 20 documents matching your query.

1. [RFI] House Ground (score: 1): Author: Tom Horton <k5iid@sbcglobal.net>; Date: Tue, 15 Mar 2016 18:45:08 +0000 (UTC); I have just noticed that my home built in the 60's does not have an earth ground outside. Could that be causing some some of my weird RFI situations I am encountering. Been here a year almost now and; /archives//html/RFI/2016-03/msg00036.html (7,043 bytes)
2. Re: [RFI] House Ground (score: 1): Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>; Date: Tue, 15 Mar 2016 19:34:52 +0000; Tom, If you have 3 conductor outlets (not just 2 cond), your electrical panel probably has a ground wire connected to your cold water pipe somewhere. That's how I found mine wired before I added a co; /archives//html/RFI/2016-03/msg00037.html (10,158 bytes)
3. Re: [RFI] House Ground (score: 1): Author: Bill Price <billp7634@sbcglobal.net>; Date: Tue, 15 Mar 2016 15:46:04 -0400; My house was built in 2005... Although there's a ground for the panel, I have noticed that there is another ground for the natural gas manifold that feeds all the gas appliances. #6 wire goes from th; /archives//html/RFI/2016-03/msg00038.html (11,550 bytes)
4. Re: [RFI] House Ground (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Tue, 15 Mar 2016 14:30:44 -0700; A connection to Mother Earth has NOTHING to do with solving RFI problems. Proper bonding of all grounded conductors DOES help solve RFI problems. This is the slide show for a tutorial I've done at Pa; /archives//html/RFI/2016-03/msg00043.html (7,802 bytes)
5. Re: [RFI] House Ground (score: 1): Author: "David Robbins" <k1ttt@arrl.net>; Date: Tue, 15 Mar 2016 22:03:41 +0000; No, a connection to the earth is only really required for power service safety. David Robbins K1TTT e-mail: mailto:k1ttt@arrl.net web: http://wiki.k1ttt.net AR-Cluster node: 145.69MHz or telnet://k1t; /archives//html/RFI/2016-03/msg00044.html (8,053 bytes)
6. Re: [RFI] House Ground (score: 1): Author: donovanf@starpower.net; Date: Wed, 16 Mar 2016 01:01:43 -0400 (EDT); Hi Bill, That's not an uncommon error, and potentially a dangerous error in if a lightning strike that causes sparking. Google will help you find much information about grounding and bonding of gas p; /archives//html/RFI/2016-03/msg00046.html (12,912 bytes)
7. Re: [RFI] House Ground (score: 1): Author: donovanf@starpower.net; Date: Wed, 16 Mar 2016 01:13:05 -0400 (EDT); Hi Tom, Lack of a grounding electrode shouldn't affect RFI; however, if its true it isn't compliant with the National Electric Code and\ it might be an electrical safety hazard. Are you sure your ser; /archives//html/RFI/2016-03/msg00047.html (8,381 bytes)
8. Re: [RFI] House Ground (score: 1): Author: Robert Nobis <n7rjn@nobis.net>; Date: Tue, 15 Mar 2016 23:24:55 -0700; Jim, Many modern, small profile, PCs have a built in power supply (switching) and are connected to the AC mains with a two wire cord/plug, without a green wire. My iMac and MacMini are like this as i; /archives//html/RFI/2016-03/msg00048.html (9,059 bytes)
9. Re: [RFI] House Ground (score: 1): Author: dalej <dj2001x@comcast.net>; Date: Wed, 16 Mar 2016 02:28:25 -0500; I know of one house in the area that lightning struck a gas meter and the house was almost totally destroyed, nice house too. Thanks for the article. Dale, k9vuj Hi Bill, That's not an uncommon error; /archives//html/RFI/2016-03/msg00049.html (13,331 bytes)
10. Re: [RFI] House Ground (score: 1): Author: Cortland Richmond <ka5s@earthlink.net>; Date: Wed, 16 Mar 2016 12:13:29 -0400; On 3/16/2016 2:24 AM, Robert Nobis wrote: Many modern, small profile, PCs have a built in power supply (switching) and are connected to the AC mains with a two wire cord/plug, without a green wire. M; /archives//html/RFI/2016-03/msg00052.html (9,303 bytes)
11. Re: [RFI] House Ground (score: 1): Author: Robert Nobis <n7rjn@nobis.net>; Date: Wed, 16 Mar 2016 09:55:44 -0700; Cortland, The MacMini is the also double insulated, although it has an internal power supply. More and more computer manufacturers are doing this. However, it is not totally clear to me how one could; /archives//html/RFI/2016-03/msg00053.html (9,725 bytes)
12. Re: [RFI] House Ground (score: 1): Author: "Leigh Sedgwick" <bipi@comcast.net>; Date: Wed, 16 Mar 2016 10:01:15 -0700; I have a Surface Pro as my primary computer I use in the station. I run 1500 watts on 160 through 10 meters. I have not experienced any RFI issues to or from the surface. I use 8 USB (many RS232 to U; /archives//html/RFI/2016-03/msg00054.html (11,483 bytes)
13. Re: [RFI] House Ground (score: 1): Author: dalej <dj2001x@comcast.net>; Date: Wed, 16 Mar 2016 12:01:28 -0500; I have two iMacs, same deal with the PS. I don't have any noise from either one. My neighbors plasma TV I hear though. All the Apple products I've owned since 1988 never had an issue with RFI from an; /archives//html/RFI/2016-03/msg00055.html (11,056 bytes)
14. Re: [RFI] House Ground (score: 1): Author: David Winarsky <david@winarsky.com>; Date: Wed, 16 Mar 2016 10:19:18 -0700; I have a Macbook Pro sitting next to my Elecraft K3. I have a USB cable going from the Macbook to the KAT500 tuner and found that I was getting RFI from the cable at various points on 20m. I stuck 3; /archives//html/RFI/2016-03/msg00057.html (12,472 bytes)
15. Re: [RFI] House Ground (score: 1): Author: Cortland Richmond <ka5s@earthlink.net>; Date: Wed, 16 Mar 2016 13:32:01 -0400; On 3/16/2016 12:55 PM, Robert Nobis wrote: it is not totally clear to me how one could realistically insulate (or isolate) the various I/O lines from such computers. For example USB ports or audio in; /archives//html/RFI/2016-03/msg00058.html (8,963 bytes)
16. Re: [RFI] House Ground (score: 1): Author: Cortland Richmond <ka5s@earthlink.net>; Date: Wed, 16 Mar 2016 13:40:09 -0400; On 3/16/2016 1:01 PM, dalej wrote: All the Apple products I've owned since 1988 never had an issue with RFI from any of them. Yes indeed -- but we know the kind of people who make sure they at least; /archives//html/RFI/2016-03/msg00059.html (8,942 bytes)
17. Re: [RFI] House Ground (score: 1): Author: dalej <dj2001x@comcast.net>; Date: Wed, 16 Mar 2016 14:21:43 -0500; I got a Macbook Pro here in the shack that makes three. If the snap on device took care of it then I wouldn't worry about trying to ground the macbook. You might do harm to the macbook and not fix an; /archives//html/RFI/2016-03/msg00060.html (12,676 bytes)
18. Re: [RFI] House Ground (score: 1): Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>; Date: Wed, 16 Mar 2016 16:48:49 -0400; When we put in a 200A service, there was the regular three ground rods for the panel and meter. However, the grounding in the house ranged from sensical, to you gotta be kidding.. As the electrician; /archives//html/RFI/2016-03/msg00061.html (14,416 bytes)
19. Re: [RFI] House Ground (score: 1): Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>; Date: Wed, 16 Mar 2016 16:54:43 -0400; Many of today's PCs have a plastic case. The only metal is the PS case and some traces on the motherboard. They can be a real bear when hooked to a wired network. 73 Roger (K8RI) Many modern, small p; /archives//html/RFI/2016-03/msg00062.html (10,571 bytes)
20. Re: [RFI] House Ground (score: 1): Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>; Date: Wed, 16 Mar 2016 17:56:38 -0400; I added a 3 KVA, true sin wave generator with regulated output. I'm in the process of getting the two big computers (4 and 5 GHz) and the entire station (except the big amp) That 240 VAC circuit runs; /archives//html/RFI/2016-03/msg00063.html (14,758 bytes)

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