benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 nohw NOHW_USGS, 2007-03-16,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE21,  ASH701945E_M,  CR620022602,  NONE, 0.6906, 0.7498, 30, 0
 nohw NOHW_USGS, 2007-03-17,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE21,  ASH701945E_M,  CR620022602,  NONE, 0.6906, 0.7498, 30, 0
 nohw NOHW_USGS, 2007-03-18,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE21,  ASH701945E_M,  CR620022602,  NONE, 0.6906, 0.7498, 30, 0
 nohw NOHW_USGS, 2007-03-19,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE21,  ASH701945E_M,  CR620022602,  NONE, 0.6906, 0.7498, 30, 0
 nohw NOHW_USGS, 2009-05-07,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 1.2774, 1.3259, 30, 0
 nohw NOHW_USGS, 2009-05-08,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 1.2774, 1.3259, 30, 0
 nohw NOHW_USGS, 2009-05-09,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 1.2774, 1.3259, 30, 0
 nohw NOHW_USGS, 2009-05-10,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 1.2774, 1.3259, 30, 0
 nohw NOHW_USGS, 2009-05-11,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 1.2774, 1.3259, 30, 0
 nohw NOHW_USGS, 2009-05-12,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 1.2774, 1.3259, 30, 0
 nohw NOHW_USGS, 2013-12-11,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.9234, 0.9769, 15, 183745
 nohw NOHW_USGS, 2013-12-12,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.9234, 0.9769, 15, 0
 nohw NOHW_USGS, 2013-12-13,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.9234, 0.9769, 15, 0
 nohw NOHW_USGS, 2013-12-14,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.9234, 0.9769, 15, 0
 nohw NOHW_USGS, 2013-12-15,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.9234, 0.9769, 15, 0
 nohw NOHW_USGS, 2013-12-16,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.9234, 0.9769, 15, 0
 nohw NOHW_USGS, 2019-04-23,  ELP ,  USGS ,  JAVAD,  01663 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00580,  NONE, 0.7792, 0.8359, 15, 185030
 nohw NOHW_USGS, 2019-04-24,  ELP ,  USGS ,  JAVAD,  01663 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00580,  NONE, 0.7792, 0.8359, 15, 0
 nohw NOHW_USGS, 2019-04-25,  ELP ,  USGS ,  JAVAD,  01663 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00580,  NONE, 0.7792, 0.8359, 15, 0
 nohw NOHW_USGS, 2019-04-26,  ELP ,  USGS ,  JAVAD,  01663 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00580,  NONE, 0.7792, 0.8359, 15, 0