-------- In message <a08b0266-2ed5-422e-8e5f-a227e491d...@n1k.org>, Bob Camp writes:
>(Stratum 1,2,3) is based on various timing sources. It also was >designed in an era of “top down” timing. That is a very different >approach than the “bottom up” timing of the over the air codes >on CDMA or some (but not all) advanced TDMA systems. The BSTJ contains some very interesting articles about how synchronization got introduced and rolled out in the telephone network originally. You can find them on archive.org -- 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@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
