benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 P300 P3007_60.30_92.202, 1999-01-21,  JMS ,  USGS ,  ASHTECH,  LP03362 ,  Z-XII3 CB00,  ASH700936D_M,  CR14329,  NONE, 1.2863, 1.3348, 30, 16450
 P300 P3007_60.30_92.202, 1999-01-22,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 CB00,  ASH700936D_M,  CR14333,  NONE, 1.2712, 1.3198, 30, 155230
 p300 P300_92.302_EBMUD, 2001-02-07,  JMS ,   ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.2954, 1.3438, 30, 15560
 p300 P300_92.302_EBMUD, 2001-02-08,  GDH ,   ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.254, 1.3028, 30, 16510
 p300 P3007+60.30_92.202_E, 2005-01-19,  CHS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.4439, 1.4909, 30, 16190
 p300 P3007+60.30_92.202_E, 2005-01-20,  CHS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.3824, 1.43, 30, 1670