[LEAPSECS] Schedule for success
    Poul-Henning Kamp 
    phk at phk.freebsd.dk
       
    Wed Dec 31 09:42:55 EST 2008
    
    
  
In message <1230733996.495b82acce1c9 at webmail.unb.ca>, "Richard B. Langley" writ
es:
>iii) The introduction of the satellite Doppler technique (Transit) to help in
>establishing the BIH meridian; the Doppler datum turned out to have a different
>longitude origin.
>iv) Misalignment of the series of WGS reference meridians with that of BIH.
So which datum is used for the zero meridian, which defines the UT* family
of timescales ?
-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
    
    
More information about the LEAPSECS
mailing list