Probably more than you want but ... < http://www.ko4bb.com/getsimple/index.php?id=the-new-thunderbolt-monitor-kit>
-----Original Message----- From: Wojciech Tomczyk via time-nuts <time-nuts@lists.febo.com> Sent: 19 February 2022 12:07 To: time-nuts@lists.febo.com Cc: Wojciech Tomczyk <sp...@yahoo.com> Subject: [time-nuts] Trimble Thunderbolt- Frequency lock indicator I use an early Thunderbolt as a 10 MHz external frequency standard for my Elecraft K3 transceiver.I would like do add to it a simple indicator which is activated when Thunderbolt's output frequency is locked.I someone aware of a circut diagram of a such indicator? Any other options to indicated the LOCK state? Tom _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an email to time-nuts-le...@lists.febo.com To unsubscribe, go to and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an email to time-nuts-le...@lists.febo.com To unsubscribe, go to and follow the instructions there.