BY USING THIS SOFTWARE YOU ACCEPT THE FOLLOWING SIX TERMS AND CONDITIONS WHICH APPLY TO ITS USE.
Note that, as originally distributed, the SOFA software is intended to be a definitive implementation of the IAU standards, and consequently third-party modifications are discouraged. All variations, no matter how minor, must be explicitly marked as such, as explained above.
In any published work or commercial product which uses the SOFA software directly, acknowledgement (see www.iausofa.org) is appreciated.
Correspondence concerning SOFA software should be addressed as follows:
By email: sofa@ukho.gov.uk
By post: IAU SOFA Center
HM Nautical Almanac Office
UK Hydrographic Office
Admiralty Way, Taunton
Somerset, TA1 2DN
United Kingdom