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References: [ +from:robinsah@engr.orst.edu: 35 ]

Total 35 documents matching your query.

1. Re: [RFI] Re: [TowerTalk] Comment on Radar Engineers Model 240 (score: 1)
Author: Alan Robinson <robinsah@engr.orst.edu>
Date: Mon, 11 Aug 2003 20:13:48 -0700
Hi Tod, K0TO, I have a Radar Engineers Model 240 which I use for locating noise sources on power lines. I highly recommend it. I also have a Radar Engineers Model 250 Ultrasonic Locator. The combinat
/archives//html/RFI/2003-08/msg00003.html (12,638 bytes)

2. [RFI] EMI/RFI Bibliography (score: 1)
Author: robinsah@engr.orst.edu (Alan Robinson)
Date: Wed, 15 Jan 2003 13:50:13 -0800
Hi All, Marv Loftness' book, AC Power Power Interference Manual is currently out of print. Radar Engineers in Portland, OR may have a few copies left. On the other hand, Marv's second edition, with r
/archives//html/RFI/2003-01/msg00036.html (8,998 bytes)

3. [RFI] utrasonic locator (score: 1)
Author: robinsah@engr.orst.edu (Alan Robinson)
Date: Mon, 25 Mar 2002 17:55:58 -0800
I have been using a Radar Engineers Model 250 Ultrasonic Locator for about six months. It works very well and has helped me find over twenty individual sources on the power lines that run past my hou
/archives//html/RFI/2002-03/msg00065.html (7,839 bytes)

4. [RFI] Test message, please ignore. (score: 1)
Author: Alan Robinson <robinsah@engr.orst.edu>
Date: Wed, 18 Feb 2004 13:01:55 -0800
This is a test message to see if I can post anything. Sorry if this offends anyone, but I need to try as all my messages have been bouncing. _______________________________________________ RFI mailin
/archives//html/RFI/2004-02/msg00118.html (6,206 bytes)

5. Re: [RFI] Quiet Shack PC Systems? (score: 1)
Author: Alan Robinson <robinsah@engr.orst.edu>
Date: Thu, 18 Mar 2004 22:19:12 -0800
I am using a VewSonic G790 (19 inch conventional monitor). It does NOT cause any noticeable RFI to my Icom 756 Pro, which sits right next to it. 73, Alan, W4LKE ______________________________________
/archives//html/RFI/2004-03/msg00083.html (7,806 bytes)

6. [RFI] BPL Comment -- It is already obsolete (score: 1)
Author: Alan Robinson <robinsah@engr.orst.edu>
Date: Sat, 10 Apr 2004 00:32:05 -0700
I have been "reading the mail" on the subject of BPL. It seems a tragedy to me that this technology is still being considered. Especially because it is already obsolete! Verizon has announce that it
/archives//html/RFI/2004-04/msg00030.html (6,617 bytes)

7. Re: [RFI] Computer monitor RFI (score: 1)
Author: Alan Robinson <robinsah@engr.orst.edu>
Date: Sat, 08 May 2004 10:49:43 -0700
It seems that Sony monitors and TVs do produce a lot of RFI. I have a 20 inch Trinitron that is 4 or 5 years old. It produces an amazing amount of RFI from 30 feet away from my station. No amount of
/archives//html/RFI/2004-05/msg00095.html (7,886 bytes)

8. Re: [RFI] Documenting Power Line Noise (score: 1)
Author: Alan Robinson <robinsah@engr.orst.edu>
Date: Wed, 25 Aug 2004 16:51:15 -0700
Hello Ford, Perhaps my method of recording power line noise will help you. It has worked for me. I live next to a Transmission Line (about 60 kV) and an under built Distribution Line ( about 7.5 kV).
/archives//html/RFI/2004-08/msg00068.html (14,239 bytes)

9. Re: [RFI] Documenting Power Line Noise (score: 1)
Author: Alan Robinson <robinsah@engr.orst.edu>
Date: Wed, 25 Aug 2004 18:27:25 -0700
Hello Ford, The voltmeter I use is from Radio Shack. It is called a 24-Range Digital Multimeter, Model 22-805 with PC Link. The software and interface cable are included with the unit. I believe this
/archives//html/RFI/2004-08/msg00070.html (8,413 bytes)

10. [RFI] Multimeter for Recording Noise. (score: 1)
Author: Alan Robinson <robinsah@engr.orst.edu>
Date: Wed, 25 Aug 2004 18:46:28 -0700
Hi Ford, Take a look at the Radio Shack Model 22-812, PC Interface 46-Range Digital Multimeter. It looks like the replacement for the unit I use. The new unit includes software, cable, and the meter.
/archives//html/RFI/2004-08/msg00071.html (7,950 bytes)

11. Re: [RFI] Flat-screen TV emits international distress signal (score: 1)
Author: "Alan Robinson" <robinsah@engr.orst.edu>
Date: Tue, 19 Oct 2004 09:33:25 -0700
This is an amazing, but true, story. I, too, read the story in our paper. Alan, W4LKE, Corvallis, OR. -- Original Message -- From: "Mike D." <hrg@cifnet.com> To: <rfi@contesting.com> Sent: Tuesday, O
/archives//html/RFI/2004-10/msg00064.html (11,073 bytes)

12. Re: [RFI] RF Impedance measurement (score: 1)
Author: Alan Robinson <robinsah@engr.orst.edu>
Date: Mon, 25 Oct 2004 11:46:20 -0700
Hi George, W1ZT, I have a Kuranishi BR-200 and an MFJ-259B. Both are easy to use and seem to give about the same results. I prefer the Kuranishi. It seems to be a laboratory grade instrument. However
/archives//html/RFI/2004-10/msg00124.html (7,182 bytes)

13. Re: [RFI] BPL vs shares & ham radio....KATRINA (score: 1)
Author: "Alan Robinson" <robinsah@engr.orst.edu>
Date: Sat, 3 Sep 2005 09:39:48 -0700
I agree with Ed. This is the time to make recordings and show why we are needed. And, why BPL hurts! 73, Alan, W4LKE _______________________________________________ RFI mailing list RFI@contesting.co
/archives//html/RFI/2005-09/msg00008.html (13,764 bytes)

14. [RFI] MFJ-1026, not for power line sources. (score: 1)
Author: "Alan Robinson" <robinsah@engr.orst.edu>
Date: Sat, 10 Dec 2005 13:04:34 -0800
I too have an MFJ-1026. I tried it for power line sources, but since I have multiple sources at my location, it was not effective in eliminating the interference. It does work well for single sources
/archives//html/RFI/2005-12/msg00030.html (7,001 bytes)

15. Re: [RFI] Digital TV Box Generates 121.5MHz Signal (score: 1)
Author: "Alan Robinson" <robinsah@engr.orst.edu>
Date: Fri, 20 Jan 2006 10:23:13 -0800
This happened here in Corvallis, OR; just as described below. It was a TV set "broadcasting" on 121.5. The manufacturer replaced the set for free. 73, Alan, W4LKE ____________________________________
/archives//html/RFI/2006-01/msg00090.html (11,759 bytes)

16. Re: [RFI] Power line Noise (score: 1)
Author: "Alan Robinson" <robinsah@engr.orst.edu>
Date: Wed, 7 Jun 2006 19:54:56 -0700
Hi Mike, Good summary. Thanks for posting it. Here in Western Oregon, where it rains a lot, then the sun shines, and then the wind blows, I have seen a few cases where a single source has varied in i
/archives//html/RFI/2006-06/msg00011.html (11,218 bytes)

17. Re: [RFI] LCD Monitors (score: 1)
Author: "Alan Robinson" <robinsah@engr.orst.edu>
Date: Sun, 24 Sep 2006 10:50:41 -0700
Hi Mike, I have three LCD monitors in my station: A 19 inch ViewSonic, a 17 inch NEC, and a 15 inch Mitsubishi. None make any RFI that I can detect. Also, I have a 32 inch Panasonic LCD TV. It also i
/archives//html/RFI/2006-09/msg00040.html (8,396 bytes)

18. Re: [RFI] Variable speed drives (score: 1)
Author: "Alan Robinson" <robinsah@engr.orst.edu>
Date: Mon, 26 Mar 2007 20:29:12 -0700
Several months ago we bought a GE Profile Harmony washer, model WPGT9360E. It is a high efficiency top loader. We really like the washer. Does a great job with low water/energy use. But it is an asto
/archives//html/RFI/2007-03/msg00028.html (9,323 bytes)

19. Re: [RFI] RFI from street lights - finding source? (score: 1)
Author: "Alan Robinson" <robinsah@engr.orst.edu>
Date: Sat, 13 Oct 2007 12:09:50 -0700
Excellent advice! I have located a lot of street lights that were defective. The method below works just fine. I have also used an 80M receiver designed by WB6BYU for "fox hunting". Its directional l
/archives//html/RFI/2007-10/msg00048.html (12,335 bytes)

20. Re: [RFI] Low Voltage Patio Lights (score: 1)
Author: "Alan Robinson" <robinsah@engr.orst.edu>
Date: Sun, 7 Sep 2008 10:35:18 -0700
Hello R March, I have a 12 volt driveway lighting system that uses a 12 volt transformer. I makes NO RFI. It is produced and sold by "NightScaping"; part of: Loran, Inc 1705 E. Colton Ave. Redlands,
/archives//html/RFI/2008-09/msg00008.html (9,050 bytes)

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