[time-nuts] Re: Tonga effect on GPS

[Lux, Jim]

On 2/7/22 4:57 PM, Erik E. Fair wrote:
> I wonder if the Tonga volcano explosion had measurable effect on the 
> Earth's rotation, and what that means for UTC leap seconds (or not) 
> from the IERRS.
>
> Â Â Â Â Erik 


The folks at JPL usually put out a press release if there is an effect, 
but it takes a month or so for them to do their work. They ingest a 
bunch of precision GNSS data from all over the world grind it through 
the models, and say "the Earth moved, under your feet, by 1 mm (or 
whatever)"