benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 mort Morton_Air_1990, 1993-08-10,  EYI ,  USGS-CVO ,  ASHTECH LM-XII3,  004,  7A,  ASH700228A,  004,  NONE, 1.4441, 1.4911, 15, 21715
 mort Morton_Air_1990, 1993-08-11,  EYI ,  USGS-CVO ,  ASHTECH LM-XII3,  004,  7A,  ASH700228A,  004,  NONE, 1.4441, 1.4911, 15, 21115
 mort Morton_Air_1990, 1993-08-27,  EE_ ,  USGS-CVO ,  ASHTECH L-XII,  005,  7A26,  ASH700228D,  005,  NONE, 1.6346, 1.6802, 15, 201615
 mort Morton_Air_1990, 1993-08-28,  EE_ ,  USGS-CVO ,  ASHTECH L-XII,  005,  7A,  ASH700228D,  005,  NONE, 1.5268, 1.5732, 15, 201315
 mort Morton_Air_1990, 1994-08-09,  unknown ,  CVO ,  TRIMBLE 4000SSE,  03594,  GammaNP,  TRM14532.00,  885200,  NONE, 1.3493, 0, 30, 13015
 mort Morton_Air_1990, 1994-08-12,  unknown ,  CVO ,  TRIMBLE 4000SSE,  03594,  GammaNP5.66SP,  TRM14532.00,  885200,  NONE, 1.3016, 0, 30, 124815
 mort Morton_Air_1990, 1996-06-10,  unknown ,  CVO ,  Trimble 4000SSE,  03589,  GammaNP,  TRM14532.00,  68233,  NONE, 1.4192, 0, 30, 12560
 mort Morton_Air_1990, 1996-06-11,  unknown ,  CVO ,  Trimble 4000SSE,  03589,  GammaNP,  TRM14532.00,  68233,  NONE, 1.4334, 0, 30, 12510
 mort Morton_Air_1990, 1996-06-12,  unknown ,  CVO ,  Trimble 4000SSE,  03589,  GammaNP,  TRM14532.00,  68233,  NONE, 1.4318, 0, 30, 124630
 mort Morton_Air_1990, 1996-06-13,  unknown ,  CVO ,  Trimble 4000SSE,  03589,  GammaNP,  TRM14532.00,  68233,  NONE, 1.4278, 0, 30, 125030
 mort Morton_Air_1990, 1996-06-14,  unknown ,  CVO ,  Trimble 4000SSE,  03589,  GammaNP,  TRM14532.00,  68233,  NONE, 1.4268, 0, 30, 124730
 mort Morton_Air_1990, 1996-06-15,  unknown ,  CVO ,  Trimble 4000SSE,  03589,  GammaNP,  TRM14532.00,  68233,  NONE, 1.4248, 0, 30, 124730
 mort Morton_Air_1990, 1999-09-14,  DJ ,  Central Washington U,  TRIMBLE 4000SSI,  24361,  NP,  TRM29659.00,  138193,  NONE, 1.183, 0, 30, 30
 mort Morton_Air_1990, 1999-09-15,  DJ ,  Central Washington U,  TRIMBLE 4000SSI,  24361,  NP,  TRM29659.00,  138193,  NONE, 1.183, 0, 30, 30
 mort Morton_Air_1990, 1999-09-16,  DJ ,  Central Washington U,  TRIMBLE 4000SSI,  24361,  NP,  TRM29659.00,  138193,  NONE, 1.183, 0, 30, 30
 mort Morton_Air_1990, 1999-09-17,  DJ ,  Central Washington U,  TRIMBLE 4000SSI,  24361,  NP,  TRM29659.00,  138193,  NONE, 1.183, 0, 30, 30
 mort Morton_Air_1990, 2008-07-09,  ST ,  USGS/Cascades Volcan,  TRIMBLE NETRS,  4724134690,  NP,  TRM41249.00,  60078853,  NONE, 1.0851, 1.1421, 15, 202330
 mort Morton_Air_1990, 2008-07-10,  ST ,  USGS/Cascades Volcan,  TRIMBLE NETRS,  4724134690,  NP,  TRM41249.00,  60078853,  NONE, 1.0851, 1.1421, 15, 0
 mort Morton_Air_1990, 1994-08-16,  David Verdonck ,  Univ of Wash ,  TRIMBLE,  3058 ,  4000SSE Nav,  TRM14532.00,  68502,  NONE, 1.594, 0, 15, 151530
 mort Morton_Air_1990, 1999-08-28,  GDH ,   ,  ASHTECH,  4600 ,  Z-XII3 CC00,  ASH700936D_M,  CR14341,  NONE, 1.2257, 1.2748, 30, 15540
 mort Morton_Air_1990, 1999-08-29,  GDH ,   ,  ASHTECH,  4600 ,  Z-XII3 CC00,  ASH700936D_M,  CR14341,  NONE, 1.3166, 1.3648, 30, 1560
 mort Morton_Air_1990, 2000-09-13,  unknown ,  CVO ,  TRIMBLE,  24595 ,  4000SSI NP,  TRM29659.00,  00000,  NONE, 1.4549, 0, 30, 15230
 mort Morton_Air_1990, 2000-11-07,  unknown ,  CVO ,  TRIMBLE,  16417 ,  4000SSI NP,  TRM29659.00,  66917,  NONE, 1.3025, 0, 30, 15220
 mort Morton_Air_1990, 2001-03-08,  GDH ,   ,  ASHTECH,  lp019992805 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 1.2044, 1.2537, 30, 16370
 mort Morton_Air_1990, 2001-03-10,  JLS ,   ,  ASHTECH,  lp019992804 ,  Z-XII3 CD00,  ASH701945.02B,  CR619992801,  NONE, 1.1771, 1.2267, 30, 16560
 mort Morton_Air_1990, 2003-08-21,  JMS ,  USGS ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.5114, 1.5579, 30, 153730
 mort Morton_Air_1990, 2003-08-26,  JMS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14341,  NONE, 1.464, 1.5109, 30, 16480