- 1. [RFI] Sudden Computer Racket (score: 1)
- Author: Pete Smith <n4zr@contesting.com>
- Date: Fri, 25 Jun 2010 07:31:13 -0400
- Yesterday afternoon I suddenly experienced a violent increase in the noise on my receiver. Looking with a spectrum analyzer program and a broadband SDR, I can see that the noise consists of peaks at
- /archives//html/RFI/2010-06/msg00028.html (8,040 bytes)
- 2. Re: [RFI] Sudden Computer Racket (score: 1)
- Author: "Dave Harmon" <k6xyz@sbcglobal.net>
- Date: Fri, 25 Jun 2010 09:59:32 -0500
- The same thing happened to me so I replaced the power supply and its quiet now. Regards Dave Harmon K6XYZ[at]sbcglobal[dot]net Sperry, Ok. Yesterday afternoon I suddenly experienced a violent increas
- /archives//html/RFI/2010-06/msg00029.html (9,336 bytes)
- 3. Re: [RFI] Sudden Computer Racket (score: 1)
- Author: "Jim Brown" <jim@audiosystemsgroup.com>
- Date: Fri, 25 Jun 2010 08:34:54 -0700
- That does sound like the sound card is misbehaving and creating that noise. 48kHz is probably the sampling rate. Are there any cables connected to it (like audio ins and outs)? Try removing them and
- /archives//html/RFI/2010-06/msg00030.html (7,006 bytes)
- 4. Re: [RFI] Sudden Computer Racket (score: 1)
- Author: Pete Smith <n4zr@contesting.com>
- Date: Fri, 25 Jun 2010 14:31:23 -0400
- Well, Jim wins the prize - it was the sound card, even with no cables attached. Fortunately, it wasn't very expensive, so in the wastebasket it goes. Thanks, everyone. 73, Pete N4ZR The World Contest
- /archives//html/RFI/2010-06/msg00031.html (8,207 bytes)
- 5. Re: [RFI] Sudden Computer Racket (score: 1)
- Author: K4RO Kirk Pickering <k4ro.tcg@gmail.com>
- Date: Sun, 27 Jun 2010 11:04:20 -0500
- I have an M-Audio Delta 1010 sound card that I use for multi-track recording. It consists of a PCI card with a DB-25 connector and a rack mount breakout box which houses the 20 I/O connectors. There
- /archives//html/RFI/2010-06/msg00032.html (7,310 bytes)
- 6. Re: [RFI] Sudden Computer Racket (score: 1)
- Author: "Jim Brown" <jim@audiosystemsgroup.com>
- Date: Sun, 27 Jun 2010 11:46:19 -0700
- Hi Kirk, You can greating reduce the radiation from those antennas with suitable ferrite chokes tuned to the bands where you hear the trash. See my RFI tutorial for specifics. This won't help radiati
- /archives//html/RFI/2010-06/msg00033.html (7,722 bytes)
- 7. Re: [RFI] Sudden Computer Racket (score: 1)
- Author: Terry Dunlap <terry@kk6t.com>
- Date: Mon, 28 Jun 2010 11:29:25 -0700
- I'm getting ready to install a home theater system. I know that at the very least, I will need to put ferrite chokes on all the speaker wires. Where are folks finding the best price for Type 31 cores
- /archives//html/RFI/2010-06/msg00035.html (8,597 bytes)
- 8. Re: [RFI] Sudden Computer Racket (score: 1)
- Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
- Date: Mon, 28 Jun 2010 15:03:57 -0400
- I think I paid $5.6Something (plus shipping) at Mouser, but that was in lots of 100. I think some one had a post a while back that did better than that for single pieces, but I don't remember where.
- /archives//html/RFI/2010-06/msg00036.html (9,672 bytes)
- 9. Re: [RFI] Sudden Computer Racket (score: 1)
- Author: Sam Morgan <k5oai.sam@gmail.com>
- Date: Mon, 28 Jun 2010 15:04:56 -0500
- Radio Works has some snap on mix#31 chokes: http://www.radioworks.com/ -- GB & 73 K5OAI Sam Morgan _______________________________________________ RFI mailing list RFI@contesting.com http://lists.con
- /archives//html/RFI/2010-06/msg00037.html (10,509 bytes)
- 10. Re: [RFI] Sudden Computer Racket (score: 1)
- Author: "Jim Brown" <jim@audiosystemsgroup.com>
- Date: Mon, 28 Jun 2010 15:28:06 -0700
- There's a list of known good vendors in Appendix One of my tutorial. http://audiosystemsgroup.com/RFI-Ham.pdf Be sure to use TWISTED PAIR for that loudspeaker wiring. Parallel wires (zip cord), inclu
- /archives//html/RFI/2010-06/msg00038.html (8,497 bytes)
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