I have a question. I, of small brain, am wondering: if the time difference between the top of the mountain and the bottom of the mountain is 20 nS over 24 hours could you repeat the same experiment using GPS? The time difference of 20 nS is measurable
using GPS.

The GPS clock must run faster on the mountain top than the GPS at the mountain base and yet the two remain synchronized to the satellite reference. Therefore the GPS 1 PPS signal (measurable to a few nS) must be wrong in in one of the local
frame references.

My brain hurts.

Pete.


On 5/20/2016 10:16 AM, Bob Camp wrote:
Hi

Ok, so *that* link got me to the episode. Very impressive stuff. Well done !!!

Bob


On May 20, 2016, at 2:04 AM, Tom Van Baak <[email protected]> wrote:

For those of you who missed the live TV broadcast, I'm told PBS has a live 
stream:
http://www.pbs.org/video/2365757267/

The cesium clock parts are in the last 15 minutes of the show.
I also added more photos/plots to:
http://leapsecond.com/great2016a/photos.htm

/tvb
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