[time-nuts] HP 106B quartz frequency standard...the story so far

[GandalfG8 at aol.com]

In a message dated 08/08/2009 10:39:50 GMT Daylight Time,  
mskop at bigpond.net.au writes:

I have a  few old Fairchild transistors that would drop right in.
They are  AY9139   60V 4A  Beta ~50  PNP Si.   Much the  same as 2N1701. 
Let me know and I'll pop some i the  post.



My data indicates the 2N1701 is NPN
 
regards
 
Nigel
GM8PZR