benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 post Post_1954_USC&GS, 1994-07-10,  JMS ,  USGS ,  ASHTECH,  347 ,  LM-XII3 7X,  ASH700228A,  0163,  NONE, 1.2463, 1.2952, 30, 1700
 post Post_1954_USC&GS, 2000-08-17,  GDH ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.1366, 1.1868, 30, 30
 post Post_1954_USC&GS, 2000-08-18,  GDH ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.1366, 1.1868, 30, 30
 post Post_1954_USC&GS, 2002-04-30,  JMS ,  USGS ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.3733, 1.4209, 30, 15440
 post Post_1954_USC&GS, 2002-05-01,  JMS ,  USGS ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.3733, 1.4209, 30, 10
 post Post_1954_USC&GS, 2002-05-02,  JMS ,  USGS ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.3733, 1.4209, 30, 10
 post Post_1954_USC&GS, 2004-05-13,  JMS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.3541, 1.4019, 30, 30
 post Post_1954_USC&GS, 2004-05-14,  JMS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.3541, 1.4019, 30, 30
 post Post_1954_USC&GS, 2004-05-15,  JMS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.3541, 1.4019, 30, 30