- 1. [RFI] Urban noise (score: 1)
- Author: Tom Thompson <w0ivj@tomthompson.com>
- Date: Thu, 11 Feb 2016 20:23:43 -0700
- Yesterday, a friend of mine drove down a main street in the suburbs of Denver using a Perseus radio and a wide band antenna. On the 20 mile trip we experienced 45 dB of change in band noise due to va
- /archives//html/RFI/2016-02/msg00067.html (7,271 bytes)
- 2. Re: [RFI] Urban noise (score: 1)
- Author: Tom Thompson <w0ivj@tomthompson.com>
- Date: Thu, 11 Feb 2016 20:25:47 -0700
- I forgot to mention that we were monitoring the entire 40m band. Tom W0IVJ On 2/11/2016 8:23 PM, Tom Thompson wrote: Yesterday, a friend of mine drove down a main street in the suburbs of Denver usin
- /archives//html/RFI/2016-02/msg00068.html (7,783 bytes)
- 3. Re: [RFI] Urban noise (score: 1)
- Author: "KD7JYK DM09" <kd7jyk@earthlink.net>
- Date: Thu, 11 Feb 2016 19:42:42 -0800
- As my wife says after flipping through her dictionary cover to cover... "Need more words". Kurt _______________________________________________ RFI mailing list RFI@contesting.com http://lists.conte
- /archives//html/RFI/2016-02/msg00069.html (6,677 bytes)
- 4. Re: [RFI] Urban noise (score: 1)
- Author: Dave Cole <dave@nk7z.net>
- Date: Fri, 12 Feb 2016 04:00:20 -0800
- Hi Tom, I assume you were using SDR, could you expand a bit on your setup please... I will be putting together a SDR radio for RFI location later this year, and any tips would be appreciated. I am
- /archives//html/RFI/2016-02/msg00070.html (8,839 bytes)
- 5. Re: [RFI] Urban noise (score: 1)
- Author: Tom Thompson <w0ivj@tomthompson.com>
- Date: Fri, 12 Feb 2016 08:56:53 -0700
- Hi Dave, We were using a 3 ft. whip with a high impedance preamp into a Perseus receiver. The antenna system was mounted on the car using a mag mount. I use a similar setup with an SDRPlay receiver.
- /archives//html/RFI/2016-02/msg00071.html (8,530 bytes)
- 6. Re: [RFI] Urban noise (score: 1)
- Author: Dave Cole <dave@nk7z.net>
- Date: Fri, 12 Feb 2016 08:04:14 -0800
- Thanks sir!!! I am building something smiler to your setup, and the info helps! -- 73's, and thanks, Dave For software/hardware reviews see: http://www.nk7z.net For MixW support see: https://groups.
- /archives//html/RFI/2016-02/msg00072.html (9,440 bytes)
- 7. Re: [RFI] Urban noise (score: 1)
- Author: Dave Cole <dave@nk7z.net>
- Date: Fri, 12 Feb 2016 08:07:35 -0800
- I hate spell checkers... That should read "similar"... -- 73's, and thanks, Dave For software/hardware reviews see: http://www.nk7z.net For MixW support see: https://groups.yahoo.com/neo/groups/mixw
- /archives//html/RFI/2016-02/msg00073.html (8,226 bytes)
- 8. Re: [RFI] Urban Noise (score: 1)
- Author: "Kenneth Goodwin" <krgoodwin@comcast.net>
- Date: Fri, 12 Feb 2016 10:44:42 -0600
- As I previously posted, when the RFI nails the average consumer it will be addressed. A possible example is in a current situation where the City of Houston is suing Motorola for failure of Motorola'
- /archives//html/RFI/2016-02/msg00074.html (7,376 bytes)
- 9. Re: [RFI] Urban noise (score: 1)
- Author: Jim Brown <jim@audiosystemsgroup.com>
- Date: Fri, 12 Feb 2016 09:23:42 -0800
- Was this a surprise? If so, why? Certainly you must have been aware of the proliferation of switch-mode power supplies and other noisy electronics, some of it part of infrastructure for street signal
- /archives//html/RFI/2016-02/msg00075.html (8,804 bytes)
- 10. Re: [RFI] Urban noise (score: 1)
- Author: Tom Thompson <w0ivj@tomthompson.com>
- Date: Fri, 12 Feb 2016 11:42:23 -0700
- Jim, What surprised me was the magnitude. 45 dB above the band noise is a lot!! Tom W0IVJ On 2/12/2016 10:23 AM, Jim Brown wrote: On Thu,2/11/2016 7:23 PM, Tom Thompson wrote: Yesterday, a friend of
- /archives//html/RFI/2016-02/msg00076.html (9,348 bytes)
- 11. Re: [RFI] Urban noise (score: 1)
- Author: Jim Brown <jim@audiosystemsgroup.com>
- Date: Fri, 12 Feb 2016 22:33:32 -0800
- Well, consider that the average residence probably has 20-30 noise sources, and most wiring is not shielded by conduit. It's instructive to drive around with a VHF RX set for AM around 160 MHz, or ev
- /archives//html/RFI/2016-02/msg00077.html (8,516 bytes)
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