Mail Archive Search: <+from:k4ro@k4ro.net>

Results:

References: [ +from:k4ro@k4ro.net: 18 ]

Total 18 documents matching your query.

1. [RFI] Noise Canceller vs DSP filter (score: 1): Author: k4ro@k4ro.net (K4RO Kirk Pickering); Date: Fri, 18 Oct 2002 23:16:10 -0500; If it is a typical impusle-type noise blanker, you might not be as impressed with its performance under crowded band conditions. The blankers on my IC-765's work great, *except* in crowded band condi; /archives//html/RFI/2002-10/msg00023.html (7,622 bytes)
2. [RFI] Computer RFI problem (score: 1): Author: k4ro@k4ro.net (K4RO Kirk Pickering); Date: Fri, 9 Aug 2002 10:22:54 -0500; 3. The Staples rebate center may lose your rebate, and require several weeks of telephone phone calls and emails to finally receive it. This happened to me. At one point, I think they were just waiti; /archives//html/RFI/2002-08/msg00026.html (9,233 bytes)
3. [RFI] Line noise update (score: 1): Author: k4ro@k4ro.net (K4RO Kirk Pickering); Date: Wed, 8 May 2002 11:11:50 -0500; Since not everyone was at the meeting, I thought I would give a brief update on the line noise at K4RO. Things are looking up. The folks at NES have been responsive to my calls. They have had trucks; /archives//html/RFI/2002-05/msg00018.html (8,444 bytes)
4. [RFI] Fence RFI Fixed (score: 1): Author: K4RO Kirk Pickering <k4ro@k4ro.net> (K4RO Kirk Pickering); Date: Thu, 29 Oct 1998 11:09:19 -0600 (CST); I worked on the offending electric fence and managed to get it to quiet down. Started with an RFI filter on the primary, which was no help at all. Then I re-mounted the transformer in its plastic enc; /archives//html/RFI/1998-10/msg00012.html (6,894 bytes)
5. [RFI] Can you identify this noise? (score: 1): Author: K4RO Kirk Pickering <k4ro@k4ro.net>; Date: Sun, 11 Jan 2004 12:12:53 -0600; I have a new noise in the neighborhood which appeared about a month ago. It caused a real problem during the recent ARRL Ten Meter Contest. The noise is present from about 27.8 to 28.1 MHz, and it pr; /archives//html/RFI/2004-01/msg00032.html (7,195 bytes)
6. Source Found! (was [RFI] Can you identify this noise?) (score: 1): Author: K4RO Kirk Pickering <k4ro@k4ro.net>; Date: Mon, 12 Jan 2004 15:17:48 -0600; Thanks to everyone for your replies and guesses as to what was causing the noise. I found the problem today. It was a Brother MFC-7150 printer/copier/FAX. There is an LED that blinks when an ink cart; /archives//html/RFI/2004-01/msg00039.html (7,193 bytes)
7. Re: [RFI] Pin Arcing (score: 1): Author: K4RO Kirk Pickering <k4ro@k4ro.net>; Date: Mon, 19 Jul 2004 14:34:30 -0500; This made a big difference with Nashville Electric Service. When I was able to give them a specific pole number (8 digits here) there was usually a truck out the next day to look at it. It also helpe; /archives//html/RFI/2004-07/msg00106.html (7,559 bytes)
8. [RFI] New unidentified QRN source (score: 1): Author: K4RO Kirk Pickering <k4ro@k4ro.net>; Date: Sat, 13 Aug 2005 08:21:46 -0500; I've got some strange new QRM on the HF bands. It is quite strong on 40meters, but it's also audible on other bands as well. It is coming in from the street powerlines I believe, as it is extremely s; /archives//html/RFI/2005-08/msg00021.html (7,439 bytes)
9. Re: [RFI] Wired vs Wireless Routers for RFI (score: 1): Author: K4RO Kirk Pickering <k4ro@k4ro.net>; Date: Wed, 9 Jan 2008 12:17:59 -0600; Hello John, I wonder what speed Ethernet you are running? I have tried 3 different brands and vinatges of wired hubs for my home 10-base-T network. Every device tried caused terrible RFI at 100MBPS.; /archives//html/RFI/2008-01/msg00013.html (8,361 bytes)
10. Re: [RFI] TV RFI (score: 1): Author: K4RO Kirk Pickering <k4ro@k4ro.net>; Date: Tue, 29 Jan 2008 03:56:30 -0600; I can testify to Ian's comments. I still have a lot to learn about WHY I have so many common mode problems, but it sure is helpful to SEE where the biggest problems actually are. I built this ridicul; /archives//html/RFI/2008-01/msg00072.html (8,136 bytes)
11. Re: [RFI] TV RFI (score: 1): Author: K4RO Kirk Pickering <k4ro@k4ro.net>; Date: Thu, 31 Jan 2008 10:07:00 -0600; I was not using a terminating resistor, as I was not aware of the need for it. Thanks for another valuable piece of information Ian. It was you who initially gave me the idea to use a sniffer in the; /archives//html/RFI/2008-01/msg00075.html (8,631 bytes)
12. Re: [RFI] TV RFI (score: 1): Author: K4RO Kirk Pickering <k4ro@k4ro.net>; Date: Fri, 1 Feb 2008 11:20:51 -0600; I purchased the meter at Lafayette Electronics in NYC in about 1976. I even still have the little FS antenna around here somewhere... Yes, I have one wire attached to the antenna terminal with a spad; /archives//html/RFI/2008-02/msg00001.html (7,176 bytes)
13. Re: [RFI] HF Problems (score: 1): Author: K4RO Kirk Pickering <k4ro@k4ro.net>; Date: Wed, 17 Nov 2010 19:31:28 -0600; Phil, Can you give us some information on your antenna system, and its proximity to the home? Also any information that you can supply about the feedline, tuner, chokes or baluns in the antenna syste; /archives//html/RFI/2010-11/msg00095.html (7,270 bytes)
14. [RFI] Need help identifying RFI source (score: 1): Author: K4RO Kirk Pickering <k4ro@k4ro.net>; Date: Mon, 24 Jan 2011 08:14:55 -0600; I have been plagued recently by a noise source which is wiping out signals on the 160m and 80m bands. It is 20dB louder on my SW Beverage than any other direction. The noise is intermittent, and come; /archives//html/RFI/2011-01/msg00188.html (8,188 bytes)
15. Re: [RFI] Signal or Noise on 14.200 (score: 1): Author: K4RO Kirk Pickering <k4ro@k4ro.net>; Date: Wed, 19 Oct 2011 18:29:24 -0500; Is this the noise that you are hearing? http://k4ro.net/k4ro/audio/QRN-14200-Oct19-2325z.mp3 The recording was made in AM mode with a 9kHz filter. I copy it at S9 at a heading of about 130 degrees fr; /archives//html/RFI/2011-10/msg00010.html (7,658 bytes)
16. Re: [RFI] Fwd: Re: RF quiet HVAC (score: 1): Author: K4RO Kirk Pickering <k4ro@k4ro.net>; Date: Wed, 2 Dec 2015 13:37:34 -0600; Last year I replaced a pair of 25 year old Trane heat pumps with new Trane high efficiency units. I specified single speed blowers for the air handlers, because being able to hear well on HF is more; /archives//html/RFI/2015-12/msg00031.html (12,105 bytes)
17. Re: [RFI] Dimmer control (score: 1): Author: K4RO Kirk Pickering <k4ro@k4ro.net>; Date: Mon, 11 Feb 2019 11:35:13 -0600; Don't forget that single coil guitar pickups (traditionally Fender types) pick up a LOT more noise than humbucker pickups (traditionally Gibson types.) You probably already knew that. Single coil pic; /archives//html/RFI/2019-02/msg00029.html (8,149 bytes)
18. Re: [RFI] Replacement For Fluorescent Tubes (score: 1): Author: K4RO Kirk Pickering <k4ro@k4ro.net>; Date: Wed, 26 Jun 2024 11:23:07 -0500; One aspect of this discussion is an observation such as "XYZ bulbs don't generate noise in my receiver" is fine for stations which are not attempting to transmit on one band, while listening on anoth; /archives//html/RFI/2024-06/msg00063.html (8,879 bytes)

Current List: 1 - 18
Page: [1]