I've bought dozens of them over the years and talked to crystal engineers for tens of hours. I watched them plated and tuned at a crystal filter company in Phoenix. I own Virgil Bottom's book on the subject and understood half of it.
πθ°μΩω±√·Γλ WB0KVV ---------- Forwarded message ---------- From: Bob kb8tq <[email protected]> Date: Sun, Jun 4, 2017 at 5:15 AM Subject: Re: [time-nuts] HP5061B Versus HP5071 Cesium Line Frequencies To: Discussion of precise time and frequency measurement <[email protected]> Cc: "[email protected]" <[email protected]>, "Donald E. Pauly" <[email protected]> Hi Have you ever tried to actually *buy* a crystal built to a specification? There is a tolerance on them. That has a profound impact on what you can *buy*. Bob _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
