In message <[email protected]>, Neville Michie wri tes:
>We had a system of secondary radar called DME [...] DME is still going strong, and is the main GPS-Backup over Europe for air-traffic. >I do not know how shipping located themselves. Possibly Omega... -- 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.
