benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 l166 L_166_1933_USC&GS, 1994-11-19,  KWC ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1E00,  ASH700228A,  0598,  NONE, 1.1527, 1.2027, 30, 144430
 l166 L_166_1933_USC&GS, 1996-02-08,  GDH ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1F00,  ASH700228A,  0598,  NONE, 1.203, 1.2523, 30, 174330
 l166 L_166_1933_USC&GS, 1996-02-19,  CHS ,  USGS ,  ASHTECH,  143 ,  Z-XII3 1F00,  ASH700718B,  11401,  NONE, 1.1864, 1.236, 30, 164430
 l166 L_166_1933_USC&GS, 1997-10-23,  CHS ,  USGS ,  ASHTECH,  O4591 ,  Z-XII3 1E95,  ASH700936D_M,  CR14244,  NONE, 1.2591, 1.3078, 30, 162130
 l166 L_166_1933_USC&GS, 1997-10-24,  GDH ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E95,  ASH700936D_M,  CR14330,  NONE, 1.2075, 1.2568, 30, 10
 l166 L_166_1933_USC&GS, 1999-04-15,  GDH ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 CB00,  ASH700936D_M,  CR14244,  NONE, 1.1609, 1.2107, 30, 15510
 l166 L_166_1933_USC&GS, 1999-04-16,  JMS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 CB00,  ASH700936D_M,  CR14329,  NONE, 1.257, 1.3057, 30, 15420
 l166 L_166_1933_USC&GS, 2003-06-04,  CHS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.1955, 1.2449, 30, 153930
 l166 L_166_1933_USC&GS, 2003-06-05,  JMS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022605,  NONE, 1.2703, 1.3189, 30, 16230
 l166 L_166_1933_USC&GS, 2014-03-15,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH700936D_M,  CR14244,  NONE, 1.2197, 1.2688, 15, 162345
 l166 L_166_1933_USC&GS, 2014-03-20,  JLS ,  USGS ,  JAVAD,  00619 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022601,  NONE, 0.6554, 0.7158, 15, 142345
 l166 L_166_1933_USC&GS, 2019-09-14,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  ASH701945E_M,  CR520031626,  NONE, 0.593, 0.6558, 15, 165215
 l166 L_166_1933_USC&GS, 2019-09-15,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  ASH701945E_M,  CR520031626,  NONE, 0.593, 0.6558, 15, 0
 l166 L_166_1933_USC&GS, 2021-10-21,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  ASH701945E_M,  CR520031615,  NONE, 0.5448, 0.6099, 15, 18130
 l166 L_166_1933_USC&GS, 2021-10-23,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  ASH701945E_M,  CR520031615,  NONE, 0.5057, 0.5728, 15, 1245
 l166 L_166_1933_USC&GS, 2024-03-13,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00457,  NONE, 0.5637, 0.6279, 15, 22130
 l166 L_166_1933_USC&GS, 2024-03-14,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00457,  NONE, 0.5637, 0.6279, 15, 0
 l166 L_166_1933_USC&GS, 2024-03-15,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00457,  NONE, 0.5637, 0.6279, 15, 0