If they were using stand-alone caesium clocks, then yes - gravity and altitude would make big difference. But they locked their clocks to a single common-view GPS satellite - surely, then, they were both ticking at the same rate, and in sync?Peter
Careful -- if they were using stand-alone caesium clocks what they would see a constant difference in *rate*, which is a linear growing difference in *time*. But all they are seeing is a constant difference in time, exactly as if there was instrument latency or cable length calibration errors. /tvb _______________________________________________ LEAPSECS mailing list [email protected] http://six.pairlist.net/mailman/listinfo/leapsecs
