-------- In message <CAMPhiorJihW9z6-q0+Qfd+GPLjs6e8_ovWrDxQoxV=92hgj...@mail.gmail.com> , Bill Dailey writes:
>If you look at the papers on portable rubidium fountains >they are significantly bigger than a shoebox (65 cm). Diameter is controlled by dispersion of the launched atoms (=recovery rate) and the layers of shielding. 65cm looked like close to a minimum for USNO grade, amateurs could probably make do with less shielding. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [email protected] | 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 -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
