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References: [ +from:F.G.Robertson@open.ac.uk: 6 ]

Total 6 documents matching your query.

1. FW: [RFI] Spray Shielding? (score: 1): Author: Fraser Robertson <f.g.robertson@open.ac.uk> (Fraser Robertson); Date: Tue, 13 Jun 2000 09:05:00 +0100; If you use this stuff read what it says on the can first, it can be quite nasty. The type we have at work says 'possible cancer risk from nickel dust, harm from inhalation and skin contact, iritation; /archives//html/RFI/2000-06/msg00012.html (7,932 bytes)
2. [RFI] PC keyboard RF immunity? (score: 1): Author: Fraser Robertson <F.G.Robertson@open.ac.uk> (Fraser Robertson); Date: Tue, 22 Dec 1998 17:28:35 -0000; Does anyone have any top tips on improving PC keyboard RF immunity? I get a problem on 7MHz with one particular antenna. Ferrites on the cable don't help. I'll probably re site the aerial to reduce t; /archives//html/RFI/1998-12/msg00000.html (6,903 bytes)
3. [RFI] Horizonal Sweep Noise (score: 1): Author: Fraser Robertson <F.G.Robertson@open.ac.uk> (Fraser Robertson); Date: Wed, 8 Jul 1998 11:51:24 +0100; Try unplugging the TV aerial lead. If it goes away you need more ferrites on the downlead, sometimes one isn't enough. If it's not the downlead then try ferrites on the mains lead. If it's direct rad; /archives//html/RFI/1998-07/msg00004.html (8,529 bytes)
4. [RFI] Yaesu G1000SDX (score: 1): Author: Fraser Robertson <F.G.Robertson@open.ac.uk> (Fraser Robertson); Date: Sun, 12 Apr 1998 22:29:57 +0100; I've had the same problem with a G1000SDX, and consider it a design shortcoming; it is quite likely there will be RF picked up on the control cable since it will usually run adjacent to feeders. Ferr; /archives//html/RFI/1998-04/msg00018.html (8,086 bytes)
5. [RFI] Low pass filters (score: 1): Author: Fraser Robertson <f.g.robertson@open.ac.uk> (Fraser Robertson); Date: Wed, 21 Jan 1998 09:13:43 +0000; I agree entirely with Ed Hare's comment the other day, that an LPF on the end of an HF transmitter will rarely help cases of TVI, unless there is something wrong with the TX. The use of LPF's springs; /archives//html/RFI/1998-01/msg00030.html (7,860 bytes)
6. [RFI] Rohde & Schwarz EMI test receivers (score: 1): Author: F.G.Robertson <f.g.robertson@open.ac.uk>; Date: Tue, 15 Nov 2011 09:12:44 +0000; Is anyone in this list using the ESVS10 or ESHS10 measurement receiver? Thanks / 73, Fraser G4BJM -- The Open University is incorporated by Royal Charter (RC 000391), an exempt charity in England & W; /archives//html/RFI/2011-11/msg00027.html (6,738 bytes)

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