There are still some of us out here that do repair the older HP cesiums and rubidiums and have spare modules and parts for them. I wouldn't give up on them completely yet. Tubes might get to be an issue but as of right now, Symmetricom still sells a tube that will fit the 5061.
Chuck Norton Frequency Standards & Services 2727 E. Palmer Park Blvd. Ste. 100 Colorado Springs, CO. 80909 719-228-0540 Voice 719-228-9009 Fax > > Since Symmetricom has recently purchased the entire line of frequency and > time > products from Agilent, Symmetricom has already announced that they will > discontinue support of most of them. They are notoriously unhelpful even > for > current products they manufacture. Other old manufacurers have already > discarded > all documentation and spare parts. So my advice is to avoid buying all > older > atomic standard units made by Varian, Trak, and HP unless you have more > than one > to use for parts. > > > > > _______________________________________________ > time-nuts mailing list > time-nuts@febo.com > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts