benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 etna ETNA_1946_1993_NGS, 2003-09-14,  MRF ,  USGS ,  ASHTECH,  04597 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.3945, 1.4419, 30, 16450
 etna ETNA_1946_1993_NGS, 2003-09-15,  MAJ ,  USGS ,  ASHTECH,  LP03203 ,  Z-XII3 CD00,  ASH700936E_C,  CR16374,  NONE, 1.589, 1.6349, 30, 15470
 etna ETNA_1946_1993_NGS, 2003-09-16,  WCH ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.5789, 1.6249, 30, 155430
 etna ETNA_1946_1993_NGS, 2007-09-14,  SBM ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII 1L00,  ASH701945B_M,  CR519993706,  NONE, 1.3016, 1.3499, 30, 161230
 etna ETNA_1946_1993_NGS, 2007-09-24,  MBA ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 1L00,  ASH701945E_M,  CR620022605,  NONE, 1.6987, 1.744, 30, 15330
 etna ETNA_1946_1993_NGS, 2011-09-19,  SW ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 1.4661, 1.513, 15, 153115
 etna ETNA_1946_1993_NGS, 2011-09-23,  SAH ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945B_M,  CR519993706,  NONE, 1.3803, 1.4279, 15, 15145