[LEAPSECS] Nit-pick: SI second

Rob Seaman seaman at noao.edu
Fri Feb 11 01:33:42 EST 2011



> Something else is wrong here too. National UTC timing labs

> are all over the world, at a variety of latitudes and altitudes.

> No one corrects for latitude as far as I know; only altitude.


Then there's "Relativistic Time Shifts for 'Flying Clocks'":

http://www.agilent.com/metrology/pdf/flying_clock_math.pdf

in which the round-trip height terms adds while the Sagnac terms cancels between the outbound and return flights.

...this is from ITU-R TF.1010-1. Who knows what TF.1010-6 will say?

Rob



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