benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 farf, 1994-03-09,  UNKNOWN OBSERVER ,  MASS INST. OF TECHNO,  TRIMBLE 4000,  3056,  SSE,  TRM14532.00,  68262,  NONE, 1.0582, 0, 30, 2730
 farf, 2003-03-19,  KEA ,  UNIV SOUTHERN CALIFO,  ASHTECH Z-XII3,  174,  CD00,  AOAD/M_T,  376,  NONE, 0.4761, 0, 30, 30
 farf, 2003-03-20,  KEA ,  UNIV SOUTHERN CALIFO,  ASHTECH Z-XII3,  174,  CD00,  AOAD/M_T,  376,  NONE, 0.4761, 0, 30, 30
 farf, 2003-03-21,  KEA ,  UNIV SOUTHERN CALIFO,  ASHTECH Z-XII3,  174,  CD00,  AOAD/M_T,  376,  NONE, 0.4761, 0, 30, 30
 farf Farfield_1970_DMA, 2009-02-13,  JLS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945B_M,  CR519993703,  NONE, 0.7422, 0.7999, 30, 161745
 farf Farfield_1970_DMA, 2009-03-31,  JLS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII 1L001,  ASH701945E_M,  CR620022602,  NONE, 0.7082, 0.7669, 30, 154430
 farf Farfield_1970_DMA, 2009-04-01,  JLS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII 1L001,  ASH701945E_M,  CR620022602,  NONE, 0.7082, 0.7669, 30, 30
 farf Farfield_1970_DMA, 2010-05-02,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 0.5563, 0.6208, 15, 18345
 farf Farfield_1970_DMA, 2010-05-03,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 0.5563, 0.6208, 15, 0
 farf Farfield_1970_DMA, 2011-10-19,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.4046, 1.4519, 15, 154815
 farf Farfield_1970_DMA, 2015-04-02,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 0.9336, 0.9869, 15, 0
 farf Farfield_1970_DMA, 2015-04-03,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 0.9336, 0.9869, 15, 0
 farf Farfield_1970_DMA, 2015-04-13,  JLS ,  USGS ,  JAVAD,  00618 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14329,  NONE, 0.7936, 0.8499, 15, 0
 farf Farfield_1970_DMA, 2015-04-14,  JLS ,  USGS ,  JAVAD,  00618 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14329,  NONE, 0.7936, 0.8499, 15, 0
 farf Farfield_1970_DMA, 2015-04-15,  JLS ,  USGS ,  JAVAD,  00618 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14329,  NONE, 0.7936, 0.8499, 15, 0
 farf Farfield_1970_DMA, 2015-04-16,  JLS ,  USGS ,  JAVAD,  00618 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14329,  NONE, 0.7936, 0.8499, 15, 0