Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[RFI\]\s+Noise\s+location\s+tools\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[RFI\]\s+Noise\s+location\s+tools\s*$/: 24 ]

Total 24 documents matching your query.

1. [RFI] Noise location tools (score: 1): Author: W0MU Mike Fatchett <w0mu@w0mu.com>; Date: Tue, 16 Jan 2018 12:39:18 -0700; What are people using for noise sniffing? I saw the MFJ dish but I try to avoid their stuff. I know there is no one perfect tool. W0MU _______________________________________________ RFI mailing lis; /archives//html/RFI/2018-01/msg00019.html (6,752 bytes)
2. Re: [RFI] Noise location tools (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Tue, 16 Jan 2018 11:53:17 -0800; http://k9yc.com/KillingReceiveNoise.pdf 73, Jim K9YC _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi; /archives//html/RFI/2018-01/msg00020.html (6,982 bytes)
3. Re: [RFI] Noise location tools (score: 1): Author: dalej <dj2001x@comcast.net>; Date: Tue, 16 Jan 2018 14:02:41 -0600; I use my two feet, my Icom walk-talki tuned to the aircraft band and eyes to look for suspicious poles and hardware. Binoculars are good thing to have along too. Dale, K9VUJ What are people using for; /archives//html/RFI/2018-01/msg00021.html (7,666 bytes)
4. Re: [RFI] Noise location tools (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Tue, 16 Jan 2018 20:03:22 +0000; The single most useful tool is a battery powered portable AM radio. It also helps if it has shortwave. The MFJ dish you refer to is an ultrasonic microphone given high directivity and sensitivity wit; /archives//html/RFI/2018-01/msg00022.html (8,009 bytes)
5. Re: [RFI] Noise location tools (score: 1): Author: Steve Kurtzman <stevew7sjk@gmail.com>; Date: Tue, 16 Jan 2018 12:39:02 -0800; An AM radio with its directional bar antenna is helpful to triangulate the area of the interference from different locations. Then move to higher frequencies if you can still hear it, the higher freq; /archives//html/RFI/2018-01/msg00023.html (8,229 bytes)
6. Re: [RFI] Noise location tools (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Tue, 16 Jan 2018 13:06:29 -0800; Searching at VHF works if it's impulse noise, but not if it's electronic noise. Power lines are the major source of impulse noise; nowadays, much (most?) of the noise we hear is electronic noise, and; /archives//html/RFI/2018-01/msg00024.html (9,949 bytes)
7. Re: [RFI] Noise location tools (score: 1): Author: "Dave Cole (NK7Z)" <dave@nk7z.net>; Date: Tue, 16 Jan 2018 20:17:46 -0800; Hi, See: http://nk7z.net/rfi-now-house-cleaning/ for a three part series on how I managed to calm down my RFI environment. Also see: http://nk7z.net/sdr-rfi-survey-p1/ for a tool to characterize your; /archives//html/RFI/2018-01/msg00029.html (8,792 bytes)
8. Re: [RFI] Noise location tools (score: 1): Author: W0MU Mike Fatchett <w0mu@w0mu.com>; Date: Tue, 16 Jan 2018 21:36:30 -0700; Thanks all! Other than the ultra sonic dish I have most of the other pieces parts. Appreciate all the links and hints too! W0MU http://nk7z.net/rfi-now-house-cleaning/ for a three part series on how; /archives//html/RFI/2018-01/msg00030.html (9,395 bytes)
9. Re: [RFI] Noise location tools (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Tue, 16 Jan 2018 20:53:58 -0800; Mike, Understand that the dish helps zero in on the specific piece of the system that's arcing. But that's the power company's job, and by identifying the pole or the immediate area where the problem; /archives//html/RFI/2018-01/msg00031.html (9,116 bytes)
10. Re: [RFI] Noise location tools (score: 1): Author: W0MU Mike Fatchett <w0mu@w0mu.com>; Date: Tue, 16 Jan 2018 22:02:28 -0700; The local Coop power company is pretty good actually. I am not sure that my issues are even power pole related yet. We did have a very noisy pole about 1.5 miles away that it took Excel Energy,; /archives//html/RFI/2018-01/msg00032.html (9,917 bytes)
11. Re: [RFI] Noise location tools (score: 1): Author: "Dave Cole (NK7Z)" <dave@nk7z.net>; Date: Wed, 17 Jan 2018 05:23:39 -0800; Hello Mike, No need for the dish, it just locates arcing, and that is the Power companies job. Across the two years I had a dish, I think I used it once or twice. Better you save your bucks and build; /archives//html/RFI/2018-01/msg00034.html (10,732 bytes)
12. Re: [RFI] Noise location tools (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Wed, 17 Jan 2018 08:41:59 -0500; I agree with Dave, an audio dish would be the last thing I would buy (lowest priority item). A problem I found while working with the local power company that had an ultrasonic dish is that we could; /archives//html/RFI/2018-01/msg00035.html (12,196 bytes)
13. Re: [RFI] Noise location tools (score: 1): Author: "Hare, Ed W1RFI" <w1rfi@arrl.org>; Date: Wed, 17 Jan 2018 15:24:27 +0000; There are three problems with the use of ultrasonic dishes: 1. They give false negatives. If an arc were taking place on the top of an insulator, its ultrasonic noise would be blocked in the directio; /archives//html/RFI/2018-01/msg00036.html (13,727 bytes)
14. Re: [RFI] Noise location tools (score: 1): Author: "Dave Cole (NK7Z)" <dave@nk7z.net>; Date: Wed, 17 Jan 2018 07:43:38 -0800; Actually Don, we are both agreeing with Jim, K9YC with regards to the dish. I could not agree with you more with regards to an attenuator. My biggest problem was overload. I am in the process of buil; /archives//html/RFI/2018-01/msg00037.html (14,933 bytes)
15. Re: [RFI] Noise location tools (score: 1): Author: Alan Higbie <alan.higbie@gmail.com>; Date: Wed, 17 Jan 2018 08:53:44 -0700; Excellent advice re: attenuator. Once while using MFJ 856 (135 mHz RX & 3 element), it got completely overloaded within few hundred feet of source. While being in close and overloaded, the field stre; /archives//html/RFI/2018-01/msg00038.html (16,696 bytes)
16. Re: [RFI] Noise location tools (score: 1): Author: "Dave Cole (NK7Z)" <dave@nk7z.net>; Date: Wed, 17 Jan 2018 08:36:11 -0800; I have not tested under Windows 10, and I have not seen anything like S-Meter Lite which will populate a spreadsheet. 73s and thanks, Dave NK7Z http://www.nk7z.net (or does it work OK on Win10 ?) Tha; /archives//html/RFI/2018-01/msg00039.html (10,471 bytes)
17. Re: [RFI] Noise location tools (score: 1): Author: "Leigh Sedgwick" <bipi@comcast.net>; Date: Wed, 17 Jan 2018 08:48:36 -0800; S-Meter Light works fine with my K3 and Windows 10 I have not tested under Windows 10, and I have not seen anything like S-Meter Lite which will populate a spreadsheet. 73s and thanks, Dave NK7Z http; /archives//html/RFI/2018-01/msg00040.html (11,068 bytes)
18. Re: [RFI] Noise location tools (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Wed, 17 Jan 2018 09:02:02 -0800; Thanks Ed. I have no experience with these devices, but certainly understand the principles. 73, Jim K9YC _______________________________________________ RFI mailing list RFI@contesting.com http://li; /archives//html/RFI/2018-01/msg00041.html (9,254 bytes)
19. Re: [RFI] Noise location tools (score: 1): Author: jimk8mr--- via RFI <rfi@contesting.com>; Date: Wed, 17 Jan 2018 13:01:04 -0500; An ultrasonic dish is nice as a way to verify that it is a power line issue, and confirming that it is a specific pole. But in practice I don't expect the power company to fix anything without first; /archives//html/RFI/2018-01/msg00042.html (10,595 bytes)
20. Re: [RFI] Noise location tools (score: 1): Author: Chuck Gooden <Chuck.Gooden@comcast.net>; Date: Wed, 17 Jan 2018 13:36:50 -0600; Have you seen this? https://www.sv1afn.com/rfattenuator.html Chuck - K9LC I could not agree with you more with regards to an attenuator. My biggest problem was overload. I am in the process of buil; /archives//html/RFI/2018-01/msg00043.html (18,080 bytes)

Current List: 1 - 20
Page: [1] [2]