Re: [Elecraft] FCC rules part 18
We've used nothing but CF bulbs in our home for the past 7 years and I've never experienced RFI from any of them. The desk lamp in the shack is about a foot from the K2 and the IC-706 with nary a whisper of interference. Now the COMPAQ laptop is another story! Doug W6JD -- Original message -- From: w2bvh <[EMAIL PROTECTED]> > I just got back from the home center. While there I looked at the > instructions for a 42 watt (150 watt equivalent) helical compact > fluorescent (the kind that screws in as a replacement for a regular bulb). > > The instructions said that it complies with fcc rules part 18. If it > causes radio interference it should be moved or the radio should be > moved. That there may be radiation in the 0.5-30MHz range. And that it > should not be used in proximity to marine radio equipment. > > So my question is: is the sky falling, or is this a non-issue? > > 73, > Lenny W2BVH > > ___ > Elecraft mailing list > Post to: Elecraft@mailman.qth.net > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] FCC rules part 18
Lenny, I have more than 20 CF lamps ranging from 13w to 42w and from several different manufacturers in my house, and have never heard anything I could identify as noise from the devices, with one exception: one of the oldest lamps, a 13w model that was used to light the stairwell down to the basement, caused an AC hash-type noise on my Yaesu FT1000MP at about S2. It was not very loud, but enough to bother me while I was on a net on 7.2Mhz. This lamp was about 20 feet from the radio, and more than 50 feet from the antenna which is a B&W loop fed with coax. Otherwise, I've never had noise problems either from the CF lamps or the 40w flourescent tubes which light the basement. In particular, I have five 19w lamps that light my study area (where the K2 is used on a CW net every morning), and have absolutely no problem with them. Any noise created is below the normal 40/80m noise levels. So, though the potential is there, I think the manufacturers have done a pretty good job of designing tiny switching supplies that are reasonably quiet for these lamps. I'll be interested to see what anybody else has to say on the subject... 73, Van W1WCG -- We have a couple (four, to be precise) CF bulbs in the house, two of which are in the two bedside reading lamps in our bedroom. Whenever the XYL or myself switches (or is it "switch"?) any of these lamps the cable TV box switches off the current program on the TV and shows the main menu. Never fails... Waiting for Wayne to figure out how to make a LED bedside lamp big enough to conceal a K2, so I can sneak it into the bedroom, and pretend the headphones are for the iPod... Cheers, Alan 8P9BM ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] FCC rules part 18
Lenny, I have more than 20 CF lamps ranging from 13w to 42w and from several different manufacturers in my house, and have never heard anything I could identify as noise from the devices, with one exception: one of the oldest lamps, a 13w model that was used to light the stairwell down to the basement, caused an AC hash-type noise on my Yaesu FT1000MP at about S2. It was not very loud, but enough to bother me while I was on a net on 7.2Mhz. This lamp was about 20 feet from the radio, and more than 50 feet from the antenna which is a B&W loop fed with coax. Otherwise, I've never had noise problems either from the CF lamps or the 40w flourescent tubes which light the basement. In particular, I have five 19w lamps that light my study area (where the K2 is used on a CW net every morning), and have absolutely no problem with them. Any noise created is below the normal 40/80m noise levels. So, though the potential is there, I think the manufacturers have done a pretty good job of designing tiny switching supplies that are reasonably quiet for these lamps. I'll be interested to see what anybody else has to say on the subject... 73, Van W1WCG - Original Message - From: "w2bvh" <[EMAIL PROTECTED]> To: Sent: Saturday, April 14, 2007 8:19 PM Subject: [Elecraft] FCC rules part 18 I just got back from the home center. While there I looked at the instructions for a 42 watt (150 watt equivalent) helical compact fluorescent (the kind that screws in as a replacement for a regular bulb). The instructions said that it complies with fcc rules part 18. If it causes radio interference it should be moved or the radio should be moved. That there may be radiation in the 0.5-30MHz range. And that it should not be used in proximity to marine radio equipment. So my question is: is the sky falling, or is this a non-issue? 73, Lenny W2BVH ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] FCC rules part 18
From my viewpoint it is a total non-issue. We've replaced every incandescent bulb in our home and RV with them. Two are within inches of my radios in my shack and there have been no issues as in "to" or "from" the radios. I thought they might respond to RF, but nope, they don't. 73! Ken Kopp - K0PP [EMAIL PROTECTED] ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
