I can't easily determine how the accuracy of the two files differs, but does the moon change it's orbital parameters that much in 23 years?
73, Willie N1JBJ > On Aug 18, 2021, at 3:27 AM, halsteaw--- via wsjt-devel > <wsjt-devel@lists.sourceforge.net> wrote: > > (Not an astronomer) > > I noticed in the contrib/Ephemeris folder that the JPLEPH file is > DE405 which was created back in 1997. > (Ref: https://ssd.jpl.nasa.gov/?planet_eph_export ) > > Is there a reason that such old data is being used? > > For the best EME and other calculations, shouldn't DE440 which was > created June 2020 be used? > > -ALSO- > > lib/slasubs.f is missing the data for the Leap Second for Jan 1 2017 @ line > 161 > (Ref: https://www.ietf.org/timezones/data/leap-seconds.list ) > > Respectfully, > > ~W. Halstead > > > _______________________________________________ > wsjt-devel mailing list > wsjt-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wsjt-devel _______________________________________________ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel