benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 poir Poison_Rock_1942_USC, 1992-05-09,  JLS ,  USGS ,  ASHTECH,  763 ,  LM-XII3 6b,  ASH700228A,  1026,  NONE, 1.2101, 1.2594, 30, 14030
 poir Poison_Rock_1942_USC, 1994-09-18,  JMS ,  USGS ,  ASHTECH,  104 ,  LM-XII3 7A,  ASH700228D,  1068,  NONE, 1.3127, 1.3609, 30, 16140
 poir Poison_Rock_1942_USC, 2001-07-10,  JMS ,   ,  ASHTECH,  801 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993706,  NONE, 0.6365, 0.6977, 30, 171630
 poir Poison_Rock_1942_USC, 2001-07-11,  JMS ,   ,  ASHTECH,  801 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993706,  NONE, 0.6365, 0.6977, 30, 30
 poir Poison_Rock_1942_USC, 2004-07-13,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE00,  ASH701945B_M,  CR619992801,  NONE, 1.2612, 1.3099, 30, 154230
 poir Poison_Rock_1942_USC, 2004-07-14,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE00,  ASH701945B_M,  CR619992801,  NONE, 1.2612, 1.3099, 30, 0
 poir Poison_Rock_1942_USC, 2004-07-15,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE00,  ASH701945B_M,  CR619992801,  NONE, 1.2612, 1.3099, 30, 0
 poir Poison_Rock_1942_USC, 2004-07-16,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE00,  ASH701945B_M,  CR619992801,  NONE, 1.2612, 1.3099, 30, 0
 poir Poison_Rock_1942_USC, 2013-04-17,  JLS ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 0.8908, 0.9449, 15, 181215
 poir Poison_Rock_1942_USC, 2013-04-18,  JLS ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 0.8908, 0.9449, 15, 0
 poir Poison_Rock_1942_USC, 2013-04-19,  JLS ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 0.8908, 0.9449, 15, 0
 poir Poison_Rock_1942_USC, 2013-04-20,  JLS ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 0.8908, 0.9449, 15, 0