> Who was Excelitas originally? Salem, MA - is it EG&G? Yes: http://www.excelitas.com/Pages/About/History.aspx
John K1AE Bolton, MA -----Original Message----- From: time-nuts [mailto:time-nuts-boun...@lists.febo.com] On Behalf Of jimlux Sent: Monday, May 06, 2019 9:52 PM To: time-nuts@lists.febo.com Subject: Re: [time-nuts] Rubidium Cells for Sale ?! On 5/6/19 3:54 PM, Bob kb8tq wrote: > Hi > > Back a while ago it was in the “over a million dollars” range. Like anything > that > is designed for space use, the price is meaningless until you sort through > what > kind of paperwork this or that program requires. Yeah, this one: Radiation Hardened to withstand natural and manmade space environments, including phase- continuous operation through transient radiation is a pain. The vibe is high, but not mindbending they don't say whether it's sine or random. But as a comparison the usual cubesat qualification level is 14grms... Who was Excelitas originally? Salem, MA - is it EG&G? > > Bob > >> On May 6, 2019, at 5:37 PM, William H. Fite <omni...@gmail.com> wrote: >> >> Anyone know the price of the Excelitas device? No, I'm not interested in >> purchasing one, just curious. I assume it is hair-curling expensive. >> >> >> On Monday, May 6, 2019, Bob kb8tq <kb...@n1k.org> wrote: >> >>> Hi >>> >>> Ummm ….. errrr ….. the Efratom Rb’s use an integrated lamp plus one cell. >>> >>> http://www.wriley.com/A%20Modern%20MIL%20Rubidium% >>> 20Frequency%20Standard.pdf <http://www.wriley.com/A% >>> 20Modern%20MIL%20Rubidium%20Frequency%20Standard.pdf> >>> >>> There still are a lot of people doing the lamp plus two approach. One of >>> many: >>> >>> http://www.excelitas.com/Downloads/DTS_Frequency_Standards_RAFS.pdf < >>> http://www.excelitas.com/Downloads/DTS_Frequency_Standards_RAFS.pdf> >>> >>> Bob >>> >>>> On May 6, 2019, at 3:23 PM, Ed Palmer <ed_pal...@sasktel.net> wrote: >>>> >>>> >>>> >>>> On 2019-05-06 10:00 AM, Bob kb8tq <kb...@n1k.org>wrote: >>>>> Hi >>>>> >>>>> I?m sure they are good cells. The gotcha is ?which one is it??. A >>> normal Rb has multiple >>>>> cells doing different things. You ? umm? errr ? need a set of cells ?. >>>> >>>> Why do you think I posed the question "Anybody feeling lucky (or >>> desperate!)?"? Don't forget that all(?) newer Rb standards use an >>> integrated cell so it's a 'set' of one. Whether that's the case here is >>> unknown, but not likely given the size of this cell. >>>> >>>> The only Russian Rb company I've heard of is Kvarz. Has anyone seen a >>> cell from one of their old units? >>>> >>>> Ed >>>> >>>> >>>> _______________________________________________ >>>> time-nuts mailing list -- time-nuts@lists.febo.com >>>> To unsubscribe, go to http://lists.febo.com/mailman/ >>> listinfo/time-nuts_lists.febo.com >>>> and follow the instructions there. >>> >>> _______________________________________________ >>> time-nuts mailing list -- time-nuts@lists.febo.com >>> To unsubscribe, go to http://lists.febo.com/mailman/ >>> listinfo/time-nuts_lists.febo.com >>> and follow the instructions there. >>> >> >> >> -- >> Homo sum humani a me nihil alienum puto. >> _______________________________________________ >> time-nuts mailing list -- time-nuts@lists.febo.com >> To unsubscribe, go to >> http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com >> and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.