[time-nuts] Re: gravity fields affect time keeping?

[Steve Allen]

On Tue 2023-01-31T15:34:16+0100 Marek Doršic via time-nuts hath writ:
> Anybody studied the influence of the Sun's gravity on clocks in GNSS satellites?
> The field might change slightly by 40,000 km distance when the sat
> is closer to the Sun than later on the opossite side of Earth.  Is
> this measurable on the clocks?

IAU 2000 resolutions B1.3 and B1.5 codify the understanding of the
spacetime transformations from the potentials and metric.

https://www.iau.org/static/resolutions/IAU2000_French.pdf

This particular effect is small, and I am not sure that the GPS clocks
are stable enough to reveal it.

--
Steve Allen                    <sla at ucolick.org>              WGS-84 (GPS)
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