benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 drin Drin_USGS, 2002-03-07,  JMS ,  USGS ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 0.9865, 1.0388, 30, 10
 drin Drin_USGS, 2002-03-08,  JMS ,  USGS ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 0.9865, 1.0388, 30, 10
 drin Drin_USGS, 2006-04-22,  JMS ,  USGS ,  ASHTECH,  ZE120033802 ,  Z-X ZE21,  ASH700936A_M,  11477,  NONE, 1.0546, 0, 30, 0
 drin Drin_USGS, 2006-04-23,  JMS ,  USGS ,  ASHTECH,  ZE120033802 ,  Z-X ZE21,  ASH700936A_M,  11477,  NONE, 1.0546, 0, 30, 0
 drin Drin_USGS, 2011-07-11,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.1104, 1.1609, 15, 0
 drin Drin_USGS, 2011-07-14,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 1.1651, 1.2149, 15, 164315
 drin Drin_USGS, 2011-07-15,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 1.1651, 1.2149, 15, 0