benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 crzo CARRIZO_NCER_1977_US, 2006-11-02,  CHS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 1L00,  ASH701945E_M,  CR620022602,  NONE, 1.4993, 1.5459, 30, 16560
 crzo CARRIZO_NCER_1977_US, 2006-11-04,  CHS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 1L00,  ASH701945E_M,  CR620022602,  NONE, 1.4126, 1.4599, 30, 16460
 crzo CARRIZO_NCER_1977_US, 2012-05-10,  JLS ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14330,  NONE, 0.6606, 0.7209, 15, 164245
 crzo CARRIZO_NCER_1977_US, 2012-05-11,  JLS ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14330,  NONE, 0.6606, 0.7209, 15, 0
 crzo CARRIZO_NCER_1977_US, 2013-07-31,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.6192, 1.6649, 15, 0
 crzo CARRIZO_NCER_1977_US, 2013-08-01,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.6192, 1.6649, 15, 0
 crzo CARRIZO_NCER_1977_US, 2019-03-13,  JLS ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.5.1,  ASH701945B_M,  CR619992805,  NONE, 0.8417, 0.8969, 15, 1750
 crzo CARRIZO_NCER_1977_US, 2019-03-14,  JLS ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.5.1,  ASH701945B_M,  CR619992805,  NONE, 0.8417, 0.8969, 15, 0
 crzo CARRIZO_NCER_1977_US, 2019-03-15,  JLS ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.5.1,  ASH701945B_M,  CR619992805,  NONE, 0.8417, 0.8969, 15, 0
 crzo CARRIZO_NCER_1977_US, 2019-03-16,  JLS ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.5.1,  ASH701945B_M,  CR619992805,  NONE, 0.8417, 0.8969, 15, 0