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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[RFI\]\s+A\s+source\s+of\s+RFI\s*$/: 9 ]

Total 9 documents matching your query.

1. [RFI] A source of RFI (score: 1)
Author: "Kenneth G. Gordon" <kgordon2006@xxxxxxxxxxxx>
Date: Mon, 29 May 2017 09:14:35 -0700
Hmmm...well, yesterday, I found that a source of RFI on (at least) 40 meters is the desktop computer sitting on my operating bench. RFI changes with changes in the "scene" on the screen. Turning off
/archives//html/RFI/2017-05/msg00026.html (6,831 bytes)

2. Re: [RFI] A source of RFI (score: 1)
Author: "Kenneth G. Gordon" <kgordon2006@xxxxxxxxxxxx>
Date: Mon, 29 May 2017 09:58:32 -0700
I think that is the case here. I am going to attack the problem from that end first. Yes. I find I must do that too, but also to keep RF in the shack from getting into the 'pooter or peripherals. My
/archives//html/RFI/2017-05/msg00027.html (8,765 bytes)

3. Re: [RFI] A source of RFI (score: 1)
Author: JW via RFI <rfi@xxxxxxxxxxxxxx>
Date: Mon, 29 May 2017 17:21:58 +0000 (UTC)
Ken, Kinda more or less known; different screen refresh and or resolutions have been known to "shift" those frequencies too. If a fave freq is blocked by a birdie, try making a change in the above me
/archives//html/RFI/2017-05/msg00028.html (8,157 bytes)

4. Re: [RFI] A source of RFI (score: 1)
Author: Jim Brown <jim@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 29 May 2017 11:16:32 -0700
Here's lots of practical advice on killing RX noise. http://k9yc.com/KillingReceiveNoise.pdf With your new shack computer, I suggest choking all the cables connected to it, starting with the cable b
/archives//html/RFI/2017-05/msg00029.html (8,912 bytes)

5. Re: [RFI] A source of RFI (score: 1)
Author: Dave Cole <dave@xxxxxxxx>
Date: Mon, 29 May 2017 17:24:32 -0700
Hi, I grounded the computer case to the computer ground on the motherboard, then the case to an actual ground buss, and the ground buss is connected to an actual ground. Following that I added a few
/archives//html/RFI/2017-05/msg00030.html (8,920 bytes)

6. Re: [RFI] A source of RFI (score: 1)
Author: Dave Cole <dave@xxxxxxxx>
Date: Mon, 29 May 2017 17:28:14 -0700
Oh yes... See: http://nk7z.net/rfi-now-house-cleaning/ for a short overview of how I removed almost all of my RFI from the station here. 73s and thanks, Dave NK7Z http://www.nk7z.net Following that I
/archives//html/RFI/2017-05/msg00031.html (9,250 bytes)

7. Re: [RFI] A source of RFI (score: 1)
Author: "Roger (K8RI)" <k8ri@xxxxxxxxxxxxxxxxx>
Date: Tue, 30 May 2017 06:20:55 -0400
I know this sounds trite, but get a good computer. I'm running two monsters in full size, steel tower cases within 3 feet of the rigs, USB cables and standard serial cables (com1 and com 2). I have n
/archives//html/RFI/2017-05/msg00032.html (10,498 bytes)

8. Re: [RFI] A source of RFI (score: 1)
Author: "Kenneth G. Gordon" <kgordon2006@xxxxxxxxxxxx>
Date: Tue, 30 May 2017 09:16:45 -0700
I've got one. I build all my own computers (6 in the house so far) and always use top-notch components. Agreed. Yes. Mine are all steel. Exactly. My antenna (the only one I presently have) is at leas
/archives//html/RFI/2017-05/msg00034.html (9,115 bytes)

9. Re: [RFI] A source of RFI (score: 1)
Author: Joe <w7rkn.7@xxxxxxxxx>
Date: Tue, 30 May 2017 10:01:59 -0700
I also build all my own workstations. Only my server is a factory unit. (Dell) It has been my experience, the main cause of RFI is the power supply. I have never had a monitor (LCD/LED) generate any
/archives//html/RFI/2017-05/msg00035.html (11,367 bytes)


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