[Elecraft] Touch lamps

2009-12-01 Thread Ken Kopp
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,

Re: [Elecraft] Touch lamps

2009-12-01 Thread Steve Ellington
- 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

Re: [Elecraft] Touch lamps

2009-12-01 Thread Jim Wiley
To start with, visit the neighbor and explain the problem. They will think you are nuts, but it you ask them if they have any touch-controlled devices, and the answer is yes, then you may be able to get them to unplug or temporarily power-down any such devices to see if the interference

Re: [Elecraft] Touch lamps

2009-12-01 Thread Duncan Carter
I had two tough controlled reading lamps in my bedroom. They didn't cause rfi but they changed on/off state each time I transmitted. Ferrite clamps didn't change the sensitivity of the lamps to RF. I replaced them with manual switch controlled lamps; my #2 son who is not a ham has them now.

Re: [Elecraft] Touch lamps

2009-12-01 Thread Robert Fish
Hi Guys, A few years ago I was up late at night and decided to send a couple of late night CQ's on 40 meters. On about my third CQ my wife appeared at the door to my shack looking very upset. She had gone to bed a couple of hours earlier and was awakened by the touch lamps blinking on either

Re: [Elecraft] Touch lamps

2009-12-01 Thread Mel Farrer
: From: Robert Fish rwf...@comcast.net Subject: Re: [Elecraft] Touch lamps To: Duncan Carter d...@vibrotek.com Cc: Ken Kopp k...@rfwave.net, Elecraft Reflector elecraft@mailman.qth.net Date: Tuesday, December 1, 2009, 1:48 PM Hi Guys, A few years ago I was up late at night and decided to send

Re: [Elecraft] Touch Lamps

2009-12-01 Thread eric norris
Back In my youth I lived in this little grandmother cottage (converted garage) behind a house in San Jose.  One day, after I had been on 75 meters the previous night with my HW-101 and SB-220 (the cottage didn't have a 230V line but did have both sides so I made a 230V extension cord), the