benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 cvr3 Covelo_No3_1942_USC&, 1994-09-18,  CHS ,  USGS ,  ASHTECH,  763 ,  LM-XII3 7A,  ASH700228A,  0718,  NONE, 1.3348, 1.3828, 30, 1650
 cvr3 Covelo_No3_1942_USC&, 2001-07-10,  JLS ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 1.1488, 1.1988, 30, 15490
 cvr3 Covelo_No3_1942_USC&, 2001-07-11,  GDH ,   ,  ASHTECH,  O4582 ,  Z-XII3 CD00,  ASH701945B_M,  CR619992801,  NONE, 1.2398, 1.2887, 30, 155530
 cvr3 Covelo_No3_1942_USC&, 2004-07-13,  CHS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH701945E_M,  CR520031626,  NONE, 1.3581, 1.4059, 30, 16530
 cvr3 Covelo_No3_1942_USC&, 2004-07-15,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE00,  ASH701945E_M,  CR620022605,  NONE, 1.3178, 1.3659, 30, 1660
 cvr3 Covelo_No3_1942_USC&, 2013-06-05,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 1.3904, 1.4379, 15, 161430
 cvr3 Covelo_No3_1942_USC&, 2013-06-07,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 1.4025, 1.4499, 15, 154145