benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 husp HUSP_EHT, 2007-03-23,  GDH ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 0.6357, 0.6969, 30, 172630
 husp HUSP_EHT, 2007-03-24,  GDH ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 0.6357, 0.6969, 30, 0
 husp HUSP_EHT, 2007-03-25,  GDH ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 0.6357, 0.6969, 30, 0
 husp HUSP_EHT, 2007-03-26,  GDH ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 0.6357, 0.6969, 30, 0
 husp HUSP_EHT, 2009-05-05,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 0.7009, 0.7598, 30, 0
 husp HUSP_EHT, 2009-05-06,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 0.7009, 0.7598, 30, 0
 husp HUSP_EHT, 2009-05-07,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 0.7009, 0.7598, 30, 0
 husp HUSP_EHT, 2013-06-26,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.7771, 0.8339, 15, 0
 husp HUSP_EHT, 2013-06-27,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 0.7771, 0.8339, 15, 0
 husp HUSP_EHT, 2019-04-03,  JLS ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.5.1,  ASH701945B_M,  CR619992805,  NONE, 0.773, 0.8298, 15, 174515
 husp HUSP_EHT, 2019-04-04,  JLS ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.5.1,  ASH701945B_M,  CR619992805,  NONE, 0.773, 0.8298, 15, 0
 husp HUSP_EHT, 2019-04-05,  JLS ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.5.1,  ASH701945B_M,  CR619992805,  NONE, 0.773, 0.8298, 15, 0
 husp HUSP_EHT, 2019-04-06,  JLS ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.5.1,  ASH701945B_M,  CR619992805,  NONE, 0.773, 0.8298, 15, 0