Lyle Johnson wrote: > Perhaps even more importantly, pin 20 should have a 10 kHz signal locked > to GPS. This one is easy to filter and use to drive a VCXO. > > 73, > > Lyle KK7P > Yes, as in the project of G4JNT. See here : http://gpsdo.i2phd.com/ 73 Alberto I2PHD 1239017140.0