benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 no3s NO3S_1924_USGS, 2008-11-22,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.3046, 1.3529, 30, 1720
 no3s NO3S_1924_USGS, 2009-06-08,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 1.2895, 1.3379, 30, 155630
 no3s NO3S_1924_USGS, 2010-12-08,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 1.2945, 1.3429, 15, 162645
 no3s NO3S_1924_USGS, 2010-12-09,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 1.2895, 1.3379, 15, 163415
 no3s NO3S_1924_USGS, 2012-04-18,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.2025, 1.2519, 15, 151545
 no3s NO3S_1924_USGS, 2012-04-24,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.2774, 1.3259, 15, 15215
 no3s NO3S_1924_USGS, 2013-04-23,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.3178, 1.3659, 15, 16120
 no3s NO3S_1924_USGS, 2013-04-24,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.3783, 1.4259, 15, 153515
 no3s NO3S_1924_USGS, 2018-09-13,  ELP ,  USGS ,  JAVAD,  00618 ,  TRE_G3TH SIGMA3.6.9,  JAVRINGANT_DM,  00585,  NONE, 1.1448, 1.1949, 15, 14120
 no3s NO3S_1924_USGS, 2018-09-25,  ELP ,  USGS ,  JAVAD,  01660 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  00488,  NONE, 1.246, 1.2949, 15, 141515