[LEAPSECS] DUT1 about to backtrack

[John Sauter]

On Fri, 2021-01-08 at 22:51 +0000, Michael Deckers wrote:
> 
> On 2021-01-08 19:57, John Sauter via LEAPSECS wrote:
> 
> > I attach a plot of historical values of DUT1 based on the old
> > issues of
> > Bulletin A kept on the IERS' web site.
> 
> 
> 
>     I think the graph of DUT1 is not quite correct, for instance:
> 
>     On 2009-01-01, there was a switch of DUT1 from -0.6 s to +0.4 s
> due 
> to a leap second (Bulletin C36)
>     On 2009-03-12, there was a switch of DUT1 from +0.4 s to +0.3 s 
> (Bulletin D102)
>     Your graph only has one switch, on 2009-01-01 from -0.6 s to +0.3
> s
> 
>     Michael Deckers.

I have corrected these errors and others with the assistance of Michael
Deckers.  The updated plot is attached.
    John Sauter (John_Sauter at systemeyescomputerstore.com)

-- 
get my PGP public key with gpg --locate-external-keys
John_Sauter at systemeyescomputerstore.com

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