[time-nuts] Building a mains frequency monitor

Tom Van Baak tvb at LeapSecond.com
Tue Apr 12 13:44:26 EDT 2016


This thread about mains frequency attracted a wonderful reply from Steven Reyer, who gives permission for me to include his nostalgic design from 25 years ago -- and still working today (photos as of this morning).

Attached: Reyer-Mains-Frequency-Monitor.pdf (420 KB)

/tvb
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