Save here the data from the ARI database, http://www.kfs.oeaw.ac.at/hrtf
The data must be in the format as downloaded from ARI, that is NHX\hrtf_M_dtf 256.mat where NHX is the ARI subject ID. 

SOFA API for Matlab and Octave
Piotr Majdak, ARI, OeAW