In article ,
says...
|Try http://www.realhamradio.com/GPS_Frequency_Standard.htm
|Far more stable than cutting your own crystal, can't imagine why you think making one yourself would
|be more stable than a good surplus xtal and oven.

A real radio amateur would build and set up their own network of GPS
satellites ;-)

--
Regards,
Harry (M1BYT)
http://www.ukradioamateur.org