Hmmmm, now that the topic has been beaten to death, perhaps a simple solution would be to change the 20M net frequency ?
Then perhaps the traffic on the reflector will be reduced to the normal level of pandemonium? :-) 73's Gary On 25 April 2011 17:19, Jim Wiley <[email protected]> wrote: > > > No, a 3.579 trap would indeed notch out the fundamental,. but not the > harmonics. Those signals are coming in on your antenna. For any of a > number of reasons, the 14 MHz versions of the interference are more > prevalent. Consider that 20 meter signals propagate more easily from > home wiring than do 80 meter signals, plus the aforementioned fact that > many computer cards use the 14.318 frequency directly. A 80 meter trap > certainly won't affect those. As a rule, a person can find any number > of signals scattered across the entire 14.315 to 14.319 range. Yes, > they are crystal controlled, but the crystals themselves are not > necessarily that accurate - in many cases, "close" is good enough, and a > lot cheaper. > > > - Jim,. KL7CC > > > > Edward R. Cole wrote: > > So could one insert a trap on 3.579 MHz to notch the offender? Are > > the harmonics generated inside the receiver or where? > > > > > > 73, Ed - KL7UW, WD2XSH/45 > > ====================================== > > BP40IQ 500 KHz - 10-GHz www.kl7uw.com > > EME: 50-1.1kW?, 144-1.4kw, 432-100w, 1296-testing*, 3400-? > > DUBUS Magazine USA Rep [email protected] > > ====================================== > > ______________________________________________________________ > > 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 > > > > > ______________________________________________________________ > 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 > -- VK4FD - Motorhome Mobile Elecraft Equipment K3 #679, KPA-500 #018 Living the dream!!! ______________________________________________________________ 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
