benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 c260 C260_stmpd_Frontier_, 1992-10-09,   ,   ,  TURBOROGUE,  133 ,   ,  AOAD/M_T,  133,  NONE, 1.1357, 0, 30, 1990
 c260 C260_stmpd_Frontier_, 1992-10-10,   ,   ,  TURBOROGUE,  133 ,   ,  AOAD/M_T,  133,  NONE, 1.1357, 0, 30, 0
 c260 C260_stmpd_Frontier_, 1992-10-12,   ,   ,  TURBOROGUE,  116 ,   ,  AOAD/M_T,  116,  NONE, 0.878, 0, 30, 19930
 c260 C260_stmpd_Frontier_, 1992-10-13,   ,   ,  TURBOROGUE,  116 ,   ,  AOAD/M_T,  116,  NONE, 0.878, 0, 30, 0
 c260 C260_stmpd_Frontier_, 1996-09-21,  NK ,  USGS ,  ASHTECH,  274 ,  Z-XII3 1E86,  ASH700228D,  1058,  NONE, 1.2171, 1.2663, 30, 15570
 c260 C260_stmpd_Frontier_, 1996-09-22,  NK ,  USGS ,  ASHTECH,  274 ,  Z-XII3 1E86,  ASH700228D,  1058,  NONE, 1.2805, 1.329, 30, 155230
 c260 C260_stmpd_Frontier_, 1998-09-19,  CAF ,  USGS ,  ASHTECH,  LP03464 ,  Z-XII3 CB00,  ASH700936E_C,  CR16364,  NONE, 1.1842, 1.2338, 30, 15430
 c260 C260_stmpd_Frontier_, 1998-09-20,  CAF ,  USGS ,  ASHTECH,  LP03464 ,  Z-XII3 CB00,  ASH700936E_C,  CR16364,  NONE, 1.169, 1.2188, 30, 154230
 c260 C260_stmpd_Frontier_, 2002-09-12,  JMS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.0698, 1.1208, 30, 16400
 c260 C260_stmpd_Frontier_, 2002-09-15,  WCH ,  USGS MENLO PARK ,  TRIMBLE,  3616A15408 ,  4000SSI NP,  TRM22020.00+GP,  0220051647,  NONE, 1.3064, 0, 30, 1630