Mother of God, really? I had a friend, now of blessed memory, who was lead communications engineer for Grumman on the lunar lander. He used to boggle our minds with stories of the truly absurd lengths that NASA made them go to have hardware "space certified."
On Monday, May 6, 2019, Bob kb8tq <[email protected]> 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. > > Bob > > > On May 6, 2019, at 5:37 PM, William H. Fite <[email protected]> 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 <[email protected]> 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 <[email protected]> wrote: > >>> > >>> > >>> > >>> On 2019-05-06 10:00 AM, Bob kb8tq <[email protected]>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 -- [email protected] > >>> To unsubscribe, go to http://lists.febo.com/mailman/ > >> listinfo/time-nuts_lists.febo.com > >>> and follow the instructions there. > >> > >> _______________________________________________ > >> time-nuts mailing list -- [email protected] > >> 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 -- [email protected] > > To unsubscribe, go to http://lists.febo.com/mailman/ > listinfo/time-nuts_lists.febo.com > > and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- [email protected] > 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 -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
