benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 rodm, 1999-09-18,  JMS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 CC00,  ASH700936D_M,  CR14330,  NONE, 1.4377, 1.4848, 30, 15560
 rodm, 1999-09-27,  JMS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 CC00,  ASH700936D_M,  CR14244,  NONE, 1.4972, 1.5438, 30, 155630
 rodm Rodm_Stmpd_GPS_289S1, 2003-06-23,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE00,  ASH701945B_M,  CR519993703,  NONE, 0.493, 0.5608, 30, 0
 rodm Rodm_Stmpd_GPS_289S1, 2003-06-24,  CHS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH700936D_M,  CR14329,  NONE, 0.5626, 0.6268, 30, 30
 rodm Rodm_GPS_289S12E26_1, 2008-10-28,  EYI ,  USGS/Cascades Volcan,  TRIMBLE,  220211182 ,  4700 NP,  TRM41249.00,  60054886,  NONE, 1.2999, 1.3549, 30, 400
 rodm Rodm_GPS_289S12E26_1, 2014-09-10,  SAH ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 1.2167, 1.2659, 15, 162815
 rodm Rodm_GPS_289S12E26_1, 2014-10-23,  JLS ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.3.1,  ASH701945B_M,  CR519993706,  NONE, 0.8397, 0.8949, 15, 144245