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.
73m Dunc, W5DC Jim Wiley wrote: > 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 stops. If it doesn't them try the next device or look > elsewhere. if the interference quits when the device is disconnected, > you can take the next steps. > > > Be the way, it isn't just touch control lamps. I experiences a similar > problem with an automatic battery charger that had a semiconductor based > controller - it put out a "wavery - drifty" signal at spots all across > the lower part of the HF spectrum. > > > You can point out to him that the part 15 rules REQUIRE him to cease > using any device that causes interferences to a licensed radio service > (that's us). If you don't like that approach, you might take the tack > that his lamp isn't supposed to be transmitting signals, and maybe it is > defective, and defective electrical devices have been known to cause > fires. If that doesn't work, send a note to the FCC, and they will in > turn send the neighbor a more "official" communication that explains the > part 15 rules in detail and outlines and what he or she needs to do. > That last can escalate to some pretty powerful language after a few > iterations or so. That's what that "radio interference" notice on the > device is all about. Fines are not unknown in these cases - rarely > assessed, it's true, but not impossible. > > The neighbor may be able to take the lamp or other interfering device > back to where they got it and get a refund or replacement. You can > offer to go with them, taking a portable radio that tunes the > frequencies of interest, to make sure any new offerings are "clean" > before they leave the store. In any case, NEVER offer to fix the device > yourself. If you do, and _anything_ electrical in their house ever > fails from that day forward, it will be seen as your fault. > > > I know everyone likes to be neighborly and all that, but this sort of > thing won't get fixed until enough complaints are heard to cause action > on the part of manufacturers. If the neighbor is mad at the store for > selling him a product that causes problems, then encourage him to > complain to the store manager. One complaint won't do much, but over > time, enough of them will cause sufficient negative feedback that the > mess gets fixed. Of course, if you just want to "roll over" and put up > with the problem, that's your call. > > > - Jim, KL7CC > > > > Steve Ellington wrote: > >> I suspect my neighbor has one now and I'm trying to figure >> out how to approach him about it. >> Steve >> N4LQ >> >> >> > ______________________________________________________________ > 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 > > ______________________________________________________________ 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
