- 1. [RFI] RR crossing lights (score: 1)
- Author: k5uj@hotmail.com (Rob Atkinson, K5UJ)
- Date: Sat, 14 Dec 2002 00:40:20 +0000
- I'm not yet calling this a problem, but in keeping with the earlier thread on traffic signals, I noticed on the way home last night, when stopped at a railroad crossing, that the big red flashing lig
- /archives//html/RFI/2002-12/msg00034.html (7,016 bytes)
- 2. [RFI] RR crossing lights (score: 1)
- Author: eedwards@oppd.com (EDWARDS, EDDIE J)
- Date: Mon, 16 Dec 2002 11:08:29 -0600
- I'm waiting to hear back from my railroad contacts on this issue. They have always used DC for signals in the past so the noisey switching supply is not needed. Can't imagine anything that would caus
- /archives//html/RFI/2002-12/msg00035.html (7,279 bytes)
- 3. FW: [RFI] RR crossing lights (score: 1)
- Author: k0il@arrl.net" <k0il@arrl.net (Ed - K0iL)
- Date: Fri, 20 Dec 2002 07:23:27 -0600
- As promised. My connection in the RR business had some info on the RR crossing lights. Looks like the LED displays are the future not only for traffic lights, but the RR business as well. 73, de ed -
- /archives//html/RFI/2002-12/msg00046.html (10,189 bytes)
- 4. [RFI] RR crossing lights (score: 1)
- Author: w1rfi@arrl.org (Hare,Ed, W1RFI)
- Date: Fri, 20 Dec 2002 13:08:58 -0500
- I recently designed and put together a mobile setup for measuring field strength. (More on this later -- it is really slick!) My initial setup was on HF, to measure power-line noise. I noted somethin
- /archives//html/RFI/2002-12/msg00047.html (13,375 bytes)
- 5. [RFI] RR crossing lights (score: 1)
- Author: n4zr@contesting.com (Pete Smith)
- Date: Fri, 20 Dec 2002 14:17:21 -0500
- I'm not sure what the source was, but recently the local highway people had installed a portable light unit at a diversion around some construction. The light unit had some sort of wireless sensor th
- /archives//html/RFI/2002-12/msg00048.html (7,901 bytes)
This search system is powered by
Namazu