function ii = ancil1_ind()

ii.tr_temp       = 1;
ii.snd_spd_used  = 2;
ii.best_snd_spd  = 3;
ii.mn_heading    = 4;
ii.pgs_sample    = 5;
ii.unassigned1   = 6;
ii.unassigned2   = 7;
ii.unassigned3   = 8;
ii.unassigned4   = 9;
ii.unassigned5   = 10;
