Titles: USNO ============ Contact: W. Frati, Penn Revision History:- ================ 4.02 B. Frati First Version. Titles Files ------------ usno_deltat.dat Verification ------------ Description ----------- This dates comes from US Naval Observatory WEB Site:- o ftp://maia.usno.navy.mil/ser7/deltat.data o ftp://maia.usno.navy.mil/ser7/deltat.preds Bank Number: 1 Data Words ----------- Fixed length Database Header. See titles_dbhdr.html I = integer, F = floating point. The data consists of pairs of words:- i F Date in years e.g. 1975.25 i+1 F Delta_t is seconds.