I I was going to say the same thing .... my unit is #38 and would be glad to lend it for testing
Paul. KB9AVO On Mar 9, 2017 12:50 PM, "Matt Murphy" <[email protected]> wrote: > I'd be willing to send Rob my KX2 for testing. > > 73, > Matt NQ6N > > On Thu, Mar 9, 2017 at 2:42 AM, Jim Brown <[email protected]> > wrote: > > > On Wed,3/8/2017 8:41 PM, w7aqk wrote: > > > >> you are right to be concerned about how clean a transmitter is, but > there > >> are regulatory requirements about that. If you don't meet those > standards, > >> you supposedly can't sell it!!! > >> > > > > Sadly, it goes FAR beyond that. See my comparison of ARRL Lab data for > > selected popular rigs, some of them in the $10K range. Some of the most > > expensive are really dirty on CW. http://k9yc.com/TXNoise.pdf Also look > > at > > > > http://k9yc.com/P3_Spectrum_Measurements.pdf which consists of > > measurements I've done myself of rigs that were made available to me. > > > > Most of the bad signals I hear are, I think, because someone is running > >> things at "maximum'! > >> > > > > Partly true, but some rigs are FAR dirtier than others. The link about > > concentrates on CW. Many popular rigs generate splatter in their output > > stage due to poor design of TX ALC. Using ALC between the rig and a power > > amp to set TX power is recipe for splatter and clicks. Mistuning a power > > amp, or failure to match an antenna to the power amp also causes splatter > > and clicks. See http://k9yc.com/K6XXAmpTalk.pdf > > > > 73, Jim K9YC > > > > > > ______________________________________________________________ > > 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 > > Message delivered to [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 > Message delivered to [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 Message delivered to [email protected]

