Oh how well I know! We had a touch lamp that produced a signal at 450khz so strong it could be heard for blocks. I gutted the circuit and installed a line cord switch. I suspect my neighbor has one now and I'm trying to figure out how to approach him about it. Steve N4LQ n...@carolina.rr.com ----- Original Message ----- From: "Ken Kopp" <k...@rfwave.net> To: "Byron Servies" <by...@servies.us> Cc: "Elecraft Reflector" <elecraft@mailman.qth.net> Sent: Tuesday, December 01, 2009 1:08 PM Subject: [Elecraft] Touch lamps
> Hi Byron, > > A "touch lamp" is a lamp that is turned ON and OFF by > touching ... usually a table lamp of some sort ... with the > base / stand responding to the capacity of one's hand > for the switching action. Basically the lamp has a > free-running oscillator that is "detuned" when the lamp > is touched, causing the switching action. I'm aware of > some that operate in the 80M range. > > Once took a crew on a 400+ mile round-trip ... Montana's > a big state ... to respond to a ham's line noise complaint. > After much searching, involving switching off the power to > an entire block, and then to individual houses, found two > touch-lamps in the bedroom of his parent's house next > door. (;-) > > Some light dimmers are noise generators, also. > > 73! Ken Kopp - K0PP > elecraftcov...@rfwave.net > http://tinyurl.com/7lm3m5 > > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG - www.avg.com Version: 9.0.709 / Virus Database: 270.14.88/2538 - Release Date: 12/01/09 02:59:00 ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
