benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 lanf Lanf_2002_EHZ, 2002-03-06,  GDH ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.155, 1.2049, 30, 10
 lanf Lanf_2002_EHZ, 2002-03-07,  GDH ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.155, 1.2049, 30, 10
 lanf Lanf_2002_EHZ, 2006-04-21,  CHS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 0.5961, 0.6588, 30, 30
 lanf Lanf_2002_EHZ, 2006-04-22,  CHS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 0.5961, 0.6588, 30, 30
 lanf Lanf_2002_EHZ, 2006-04-23,  CHS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 0.5961, 0.6588, 30, 30
 lanf Lanf_2002_EHZ, 2011-07-10,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.8274, 0.8829, 15, 154315
 lanf Lanf_2002_EHZ, 2011-07-11,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.8274, 0.8829, 15, 0
 lanf Lanf_2002_EHZ, 2011-07-12,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.8274, 0.8829, 15, 0
 lanf Lanf_2002_EHZ, 2011-07-13,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.8274, 0.8829, 15, 0