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1. [RFI] Mobile Noise in Toyota(s) (score: 1): Author: David Gottschalk <dave@highredline.com>; Date: Wed, 16 Sep 2020 14:13:03 -0400; Howdy folks, I'm looking for some help and guidance in next steps I can do to resolve a mobile noise issue I have. I'm stumped and not really sure what else to try. I have a 1997 Toyota 4runner, and; /archives//html/RFI/2020-09/msg00043.html (7,197 bytes)
2. Re: [RFI] Mobile Noise in Toyota(s) (score: 1): Author: David Gottschalk <dave@highredline.com>; Date: Wed, 16 Sep 2020 16:51:07 -0400; Jeff, Thanks this is very good information. I will try this and see what happens. What bands were you seeing a S-9 level noise on? Thanks, David _______________________________________________ RFI ma; /archives//html/RFI/2020-09/msg00046.html (9,834 bytes)
3. [RFI] Raspberry PI / Wall wart RFI (score: 1): Author: David Gottschalk <dave@highredline.com>; Date: Fri, 2 Apr 2021 20:15:32 -0400; I'm wondering if anyone has had success finding a wall wart for a Raspberry Pi that doesn't make horrific RFI on HF (or really any switch mode power supply that isn't noisy!) I recently discovered th; /archives//html/RFI/2021-04/msg00004.html (7,722 bytes)
4. Re: [RFI] Raspberry PI / Wall wart RFI (score: 1): Author: David Gottschalk <dave@highredline.com>; Date: Sat, 3 Apr 2021 09:03:54 -0400; Thanks Jim. Some others have also already suggested a linear power supply. I'll probably try that, but I'm strongly considering just moving my antenna much further away from my house, so I can spend; /archives//html/RFI/2021-04/msg00013.html (11,002 bytes)
5. Re: [RFI] Raspberry PI / Wall wart RFI (score: 1): Author: David Gottschalk <dave@highredline.com>; Date: Sat, 3 Apr 2021 09:04:26 -0400; Are you saying these are quiet power supplies? Not sure I follow the suggestion. Thanks. _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.co; /archives//html/RFI/2021-04/msg00014.html (11,864 bytes)
6. Re: [RFI] Raspberry PI / Wall wart RFI (score: 1): Author: David Gottschalk <dave@highredline.com>; Date: Wed, 7 Apr 2021 13:48:42 -0400; Thank you Gary for this tip. I actually had one of these apple adapters. I replaced the PI power supply with these, and the noise level dropped dramatically! Very much appreciate you recommended this; /archives//html/RFI/2021-04/msg00024.html (8,974 bytes)
7. Re: [RFI] Old wives tail, or true? (score: 1): Author: David Gottschalk <dave@highredline.com>; Date: Thu, 8 Apr 2021 09:01:58 -0400; Interesting, I wondered about the validity of this "test" So really the only way to know for sure if you have common mode noise on the coax, is to put a filter in place? 73, David KN4ZKT ____________; /archives//html/RFI/2021-04/msg00034.html (8,323 bytes)

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