On 11/26/2010 2:20 PM, Don Wilhelm wrote: > It is a shame that there is not more FCC enforcement directed at > manufacturers rather than at consumers. > Have you ever tried to convince a consumer that his expensive TV is > producing radiation that is interfering with your ham radio? Talk about > getting that "deer in the headlights" stare! > The worst thing that the FCC could have done is regulate the consumer > (don't use it if it causes interference). Consumers just cannot believe > that anything they have purchased would create a problem for others.
As the world becomes more and more electronic, this is going to continue to increase as a problem, and not just interference to us. In the 50's TV manufacturers experimented with a 21 MHz IF, a monumentally stupid choice. During the "BPL Scare," I modeled the power distribution which passes over our property and my antenna and found that on all bands except 160, the coupling loss between my antenna and the power line was in the -35 dB range. Loss was less on 160 since the lines and antenna were well withing the near fields. A little arithmetic suggested that, at 1KW [a legal power for me] inside the ham bands, my neighbor's BPL box would surely hear me. I have no idea how I'd maintain a civil relationship with them when I insisted it is their problem not mine. I've always loved the FCC's comments in rule making that the "Amateur can mitigate interference to non-licensed services by reorienting the antenna." Like, if I want to work ZL8X, I'm going to point my antenna at 090 instead of 270 to avoid RFI? Incidentally, FWIW I host the neighborhood wireless RAP at the top of my tower, just below the tribander, in return for free internet. My old TS-850 occasionally caused it to reset at 1KW on 15m. The K3 has never done so. ?? 73, Fred K6DGW - Northern California Contest Club - CU in the 2011 Cal QSO Party 1-2 Oct 2011 - www.cqp.org ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
