benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 mlfl MLFL_2006_USGS, 2007-03-23,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE21,  ASH700936D_M,  CR14329,  NONE, 0.5131, 0.5799, 30, 0
 mlfl MLFL_2006_USGS, 2007-03-24,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE21,  ASH700936D_M,  CR14329,  NONE, 0.5131, 0.5799, 30, 0
 mlfl MLFL_2006_USGS, 2007-03-25,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE21,  ASH700936D_M,  CR14329,  NONE, 0.5131, 0.5799, 30, 0
 mlfl MLFL_2006_USGS, 2010-05-24,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.5426, 0.6078, 15, 0
 mlfl MLFL_2006_USGS, 2010-05-25,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.5426, 0.6078, 15, 0
 mlfl MLFL_2006_USGS, 2013-08-01,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031622,  NONE, 0.8223, 0.8779, 15, 181945
 mlfl MLFL_2006_USGS, 2013-08-02,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031622,  NONE, 0.8223, 0.8779, 15, 0
 mlfl MLFL_2006_USGS, 2013-08-03,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031622,  NONE, 0.8223, 0.8779, 15, 0