benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 jkhl, 1995-08-09,  GWB ,  UC DAVIS ,  TURBOROGUE SNR-8000,  263,  3.2,  AOAD/M_T,  UNKNOWN,  NONE, 0.0614, 0, 30, 19580
 jkhl, 1997-07-27,  unknown ,  UNIV CALIF DAVIS ,  TRIMBLE 4000SSI,  14631,  NP,  TRM29659.00,  73545,  NONE, 0.0614, 0, 30, 30
 jkhl, 1997-07-28,  unknown ,  UNIV CALIF DAVIS ,  TRIMBLE 4000SSI,  14631,  NP,  TRM29659.00,  73545,  NONE, 0.0614, 0, 30, 30
 jkhl Jacks_1932_USCGS, 2010-03-24,  CHS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH701945E_M,  CR520031615,  NONE, 1.2703, 1.3189, 15, 152445
 jkhl Jacks_1932_USCGS, 2010-03-25,  JLS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945B_M,  CR519993706,  NONE, 0.7699, 0.8268, 15, 155115
 jkhl Jacks_1932_USCGS, 2022-02-14,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00574,  NONE, 0.7009, 0.7598, 15, 21630
 jkhl Jacks_1932_USCGS, 2022-02-15,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00574,  NONE, 0.7009, 0.7598, 15, 0
 jkhl Jacks_1932_USCGS, 2022-02-16,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00574,  NONE, 0.7009, 0.7598, 15, 0