Yep. But in this case the original poster was looking to improve stability. Perhaps a better way to have phrased my comment would have been to ensure that the phase noise is not degraded vs the original xtal oscilator. I do agree though that phase noise is very important. As a side note I became interested in time nut topics after I purchased a gpsdo to compare the tcxo in my icom 706mkiig to. I then needed to convince my self the the gpsdo was accurate etc (: I did conclude that the tcxo in my icom 706mkiig was jumping by a few tenths of a ppm from time to time (: On Fri May 27th, 2011 12:17 PM EDT francesco messineo wrote: >On Fri, May 27, 2011 at 6:10 PM, Mark Spencer <mspencer12345@yahoo.ca> wrote: >> Imho phase noise is probably as important as long term stability in this application. > > >for real and serious amateur radio dxing it's much more important the >phase noise and IMD3 performance of the RX rather than stability. Not >that stability doesn't matter, but I'd never trade not excellent PN >for stability. >Best regards > >Frank IZ8DWF > >_______________________________________________ >time-nuts mailing list -- time-nuts@febo.com >To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >and follow the instructions there.