benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 swet, 2003-09-17,  CHS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022602,  NONE, 1.1266, 1.1769, 30, 16260
 swet, 2003-09-18,  CHS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022602,  NONE, 1.1266, 1.1769, 30, 10
 swet SWET_USGS, 2007-09-13,  JMS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII 1L00,  ASH700936D_M,  CR14341,  NONE, 1.0708, 1.1218, 30, 19330
 swet SWET_USGS, 2007-09-14,  JMS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII 1L00,  ASH700936D_M,  CR14341,  NONE, 1.0708, 1.1218, 30, 30
 swet SWET_USGS, 2007-09-15,  JMS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII 1L00,  ASH700936D_M,  CR14341,  NONE, 1.0708, 1.1218, 30, 30
 swet SWET_USGS, 2015-09-13,  JLS ,  USGS ,  JAVAD,  00618 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14341,  NONE, 0.55, 0.6148, 15, 164315
 swet SWET_USGS, 2015-09-14,  JLS ,  USGS ,  JAVAD,  00618 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14341,  NONE, 0.55, 0.6148, 15, 0
 swet SWET_USGS, 2015-09-15,  JLS ,  USGS ,  JAVAD,  00618 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14341,  NONE, 0.55, 0.6148, 15, 0
 swet SWET_USGS, 2015-09-25,  WRT ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022601,  NONE, 1.2137, 1.2629, 15, 191245
 swet SWET_USGS, 2015-09-26,  WRT ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022601,  NONE, 1.2137, 1.2629, 15, 0