Not exactly the case.  Radio components of the ADS-B system require 100 ns
accuracy.  Multilateration systems also require very precise timing
between components.  The navigation and communications systems are most
definitely not looking at the hands of a mechanical watch.

Ralph

On Tue, March 17, 2009 9:06 am, Lux, James P wrote:
> The latter is probably because air traffic control is basically done at a
> resolution of 1 minute (e.g. "Hold at SADLE intersection, expect release
> at
> 32[minutes after the hour]") so the several second offset between UTC and
> GPS is immaterial.  You're looking at a mechanical watch in any case.
>
> Jim
>
>
> _______________________________________________
> 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.
>


-- 
Ralph Smith
ra...@ralphsmith.org

_______________________________________________
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.

Reply via email to