PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-20:28:10
G02     223.3          66.9               17.5 +/-    0.57      18.9 +/-    0.57  0.110 / 0.070
G06     46.6           69.2               15.7 +/-    0.63      16.7 +/-    0.63  0.070 / 0.100
G12     319.4          40.0               14.8 +/-    0.97      21.5 +/-    0.97  0.140 / 0.440
G17     61.9           28.9               13.4 +/-    0.97      24.1 +/-    0.97  0.130 / 0.390
G19     47.3           44.0               14.9 +/-    1.04      20.3 +/-    1.04  0.040 / 0.050
G24     256.2          39.3               17.4 +/-    0.98      25.7 +/-    0.98  0.040 / 0.040
G28     125.5          13.2               15.8 +/-    2.29      41.1 +/-    2.29  0.050 / 0.090