benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 hc12 HC12_unstamped_USGS, 2018-08-13,  ELP ,  USGS ,  JAVAD TRE_G3TH,  00624,  SIGMA3.6.9,  JAVRINGANT_DM,  01592,  NONE, 0.1, 0.2325, 15, 192615
 hc12 HC12_unstamped_USGS, 2007-06-14,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 0.1, 0.2325, 30, 16360
 hc12 HC12_unstamped_USGS, 2007-06-15,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 0.1, 0.2325, 30, 0
 hc12 HC12_unstamped_USGS, 2007-06-16,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 0.1, 0.2325, 30, 0
 hc12 HC12_unstamped_USGS, 2007-06-17,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 0.1, 0.2325, 30, 0
 hc12 HC12_unstamped_USGS, 2007-06-18,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 0.1, 0.2325, 30, 0
 hc12 HC12_unstamped_USGS, 2007-06-19,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 0.1, 0.2325, 30, 0
 hc12 HC12_unstamped_USGS, 2009-04-24,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 0.1, 0.2325, 30, 0
 hc12 HC12_unstamped_USGS, 2009-04-25,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 0.1, 0.2325, 30, 0
 hc12 HC12_unstamped_USGS, 2009-04-26,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 0.1, 0.2325, 30, 0
 hc12 HC12_unstamped_USGS, 2009-04-27,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 0.1, 0.2325, 30, 0
 hc12 HC12_unstamped_USGS, 2011-06-02,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH701945E_M,  CR520031622,  NONE, 0.1, 0.2325, 15, 17845
 hc12 HC12_unstamped_USGS, 2011-06-03,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH701945E_M,  CR520031622,  NONE, 0.1, 0.2325, 15, 0
 hc12 HC12_unstamped_USGS, 2011-06-04,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH701945E_M,  CR520031622,  NONE, 0.1, 0.2325, 15, 0
 hc12 HC12_unstamped_USGS, 2011-06-05,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH701945E_M,  CR520031622,  NONE, 0.1, 0.2325, 15, 0
 hc12 HC12_unstamped_USGS, 2011-06-06,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH701945E_M,  CR520031622,  NONE, 0.1, 0.2325, 15, 0
 hc12 HC12_unstamped_USGS, 2018-08-14,  ELP ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.6.9,  JAVRINGANT_DM,  01592,  NONE, 0.1, 0.2325, 15, 0
 hc12 HC12_unstamped_USGS, 2018-08-15,  ELP ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.6.9,  JAVRINGANT_DM,  01592,  NONE, 0.1, 0.2325, 15, 0
 hc12 HC12_unstamped_USGS, 2018-08-16,  ELP ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.6.9,  JAVRINGANT_DM,  01592,  NONE, 0.1, 0.2325, 15, 0
 hc12 HC12_unstamped_USGS, 2018-08-17,  ELP ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.6.9,  JAVRINGANT_DM,  01592,  NONE, 0.1, 0.2325, 15, 0