-------- Magne Mæhre writes: > On 6/6/21 4:22 PM, John Ackermann N8UR wrote: > > Looking through the junk box I came upon a metal box labeled: > > > > Frequency Standard > > 05110-6014 > > Series 330 > > This eBay listing lists it as a 1 MHz HP frequency standard
HP 5110 was the driver HP's first "cash-register" synthesizer. According to the HP5110A manual: 05110-6014 is "A2 Frequency Standard" And: 05110-6081 is "A3 Crystal Filter" https://bama.edebris.com/manuals/hp/5110a/ -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 p...@freebsd.org | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ 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.