- 1. [RFI] 8 KHz spurs across much of amateur spectrum (score: 1)
- Author: N4ZR <n4zr@comcast.net>
- Date: Tue, 13 Mar 2018 07:42:00 -0400
- This may be a fool's errand, but just in case - I have discovered relatively pure carriers every 8 KHz 2-28 MHz (not heard on 160), tapering in strength as the frequencies get higher. I assume some
- /archives//html/RFI/2018-03/msg00029.html (7,344 bytes)
- 2. Re: [RFI] 8 KHz spurs across much of amateur spectrum (score: 1)
- Author: "David Robbins" <k1ttt@verizon.net>
- Date: Tue, 13 Mar 2018 08:45:21 -0500
- If they are pure and stable I would not assume a power supply, most of them are wide and drifty. Pure carriers are more likely a computer, tv, or other electronic device source. Most switching suppli
- /archives//html/RFI/2018-03/msg00031.html (8,721 bytes)
- 3. Re: [RFI] 8 KHz spurs across much of amateur spectrum (score: 1)
- Author: Lee STRAHAN <k7tjr@msn.com>
- Date: Tue, 13 Mar 2018 17:17:45 +0000
- Pete, As I recall you may be a Hi-Z user. If you are hearing these spurs on a Hi-Z array you may want to check all the elements. If one gets shorted or partially shorted to ground we have had cases w
- /archives//html/RFI/2018-03/msg00032.html (9,191 bytes)
- 4. Re: [RFI] 8 KHz spurs across much of amateur spectrum (score: 1)
- Author: "Hare, Ed W1RFI" <w1rfi@arrl.org>
- Date: Tue, 13 Mar 2018 17:25:01 +0000
- These are characteristics that typically identify a switch-mode power supply. 1. The noise is not uniform across an amateur band, but has peaks that occur every N kHz, with N typically being between
- /archives//html/RFI/2018-03/msg00033.html (10,548 bytes)
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