NAME      lat         lon         H_ellips  H_geod
BRET      48.59698    2.31820     134.28    089.53
SIRT      48.71198    2.20854     216.39    171.70
TRAP      48.77350    2.00949     217.98    173.20
XP51      48.71335    2.20480     202.03    157.34
XP52      48.71335    2.20480     202.03    157.34