fix_file_type: simple fix_file: ../../nav/a_ex.gps reference_file: ../../nav/a_ex.nav output_file: a_ex_7.cal year_base= 2018 min_n_fixes= 7 /* 5 7 9 */ n_refs= 7 /* 5 7 9 */ i_ref_l0= 1 i_ref_l1= 2 /* 1 2 3 */ i_ref_r0= 5 /* 4 5 6 */ i_ref_r1= 6 /* 4 6 8 */ up_thresh= 3.0 /* m/s */ down_thresh= 3.0 /* m/s */ turn_speed= 2.0 /* m/s */ turn_thresh= 60 /* degrees */ dtmax= 360 /* seconds, for 300-second ensembles */ tolerance= 5.e-5 /* days, about 5 seconds */ grid: ensemble use_shifted_times? no