benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 weis WEIS_USGS, 2003-09-18,  WCH ,  USGS ,  ASHTECH,  LP03175 ,  Z-XII3 CD00,  ASH700936E_C,  CR16376,  NONE, 0.4674, 0.5369, 30, 16830
 weis WEIS_USGS, 2003-09-19,  WCH ,  USGS ,  ASHTECH,  LP03175 ,  Z-XII3 CD00,  ASH700936E_C,  CR16376,  NONE, 0.4674, 0.5369, 30, 30
 weis WEIS_USGS, 2007-09-20,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 0.53, 0.5959, 30, 17245
 weis WEIS_USGS, 2007-09-21,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 0.53, 0.5959, 30, 0
 weis WEIS_USGS, 2007-09-22,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 0.53, 0.5959, 30, 0
 weis WEIS_USGS, 2007-09-23,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 0.53, 0.5959, 30, 0
 weis WEIS_USGS, 2011-09-17,  SW ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.7169, 0.7753, 15, 4345
 weis WEIS_USGS, 2011-09-30,  SAH ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945B_M,  CR519993706,  NONE, 0.6575, 0.7179, 15, 151515
 weis WEIS_USGS, 2015-09-16,  ELP ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00488,  NONE, 0.7133, 0.7718, 15, 0
 weis WEIS_USGS, 2015-09-17,  ELP ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00488,  NONE, 0.7133, 0.7718, 15, 0
 weis WEIS_USGS, 2015-09-18,  ELP ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00488,  NONE, 0.7133, 0.7718, 15, 0
 weis WEIS_USGS, 2015-09-19,  ELP ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00488,  NONE, 0.7133, 0.7718, 15, 0