benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 cm24 CM_24.53_CalTrans, 2010-10-06,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 0.735, 0.7929, 15, 164545
 cm24 CM_24.53_CalTrans, 2010-10-07,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 0.735, 0.7929, 15, 0
 cm24 CM_24.53_CalTrans, 2012-11-28,  JLS ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14330,  NONE, 0.671, 0.7309, 15, 0
 cm24 CM_24.53_CalTrans, 2012-11-29,  JLS ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14330,  NONE, 0.671, 0.7309, 15, 0
 cm24 CM_24.53_CalTrans, 2012-11-30,  JLS ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14330,  NONE, 0.671, 0.7309, 15, 0