benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 d559, 1994-11-12,  X. GE ,  UCLA ,  TRIMBLE 4000,  1053,  SST,  TRM14532.00,  272,  NONE, 1.2218, 0, 30, 165630
 d559 D559_1957_USCGS, 2010-03-28,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945B_M,  CR519993702,  NONE, 1.4862, 1.5329, 15, 162445
 d559 D559_1957_USCGS, 2010-04-28,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 1.4721, 1.5189, 15, 162630
 d559 D559_1957_USCGS, 2012-05-09,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.4489, 1.4959, 15, 153545
 d559 D559_1957_USCGS, 2012-06-05,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.3803, 1.4279, 15, 153015
 d559 D559_1957_USCGS, 2013-08-01,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 1.5185, 1.5649, 15, 161545
 d559 D559_1957_USCGS, 2013-08-02,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 1.5185, 1.5649, 15, 0
 d559 D559_1957_USCGS, 2015-03-25,  JMS ,  USGS ,  ASHTECH,  ZE1200411029 ,  Z-X ZE210,  ASH700936D_M,  CR14244,  NONE, 0.9305, 0.9838, 15, 175015
 d559 D559_1957_USCGS, 2015-03-26,  JMS ,  USGS ,  ASHTECH,  ZE1200411029 ,  Z-X ZE210,  ASH700936D_M,  CR14244,  NONE, 0.9305, 0.9838, 15, 0