[time-nuts] Time Dilation tinkering
albertson.chris at gmail.com
Tue Mar 21 22:12:14 EDT 2017
"flight" there is the word. Why drive up a mountain? Take the clock
with you inside the pressurized cabin of a commercial airliner next time
you are on one of those 10 hour trans=pacific flights. You be taller then
any mountain and it is actually cheaper then a weather balloon.
Can you get a Rb clock past the TSA x-ray machine. Maybe if you ask
first. There must be a way to hand cary specialized equipment.
On Tue, Mar 21, 2017 at 7:03 PM, Tom Van Baak <tvb at leapsecond.com> wrote:
> But attached is one of the first plots where I put a SA.32m in a home-brew
> vacuum chamber and pulled down to a few inches of Hg for a few hours to
> simulate the low pressure of a flight up to 50 or 90,000 ft. For a high
> altitude relativity experiment -- where you'd like your clock to remain
> stable to parts in e-13 and not accumulate too many stray ns -- it's not a
> good sign when your clock changes by 2e-11 (that's more than 1 ns per
> minute) just because of ambient pressure changes.
Redondo Beach, California
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