PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/01-19:42:30
G02     202.5          32.1               14.4 +/-    2.30      24.2 +/-    2.30  0.050 / 0.110
G06     164.4          65.6               12.0 +/-    0.85      13.0 +/-    0.85  0.060 / 0.090
G12     305.0          11.4                4.5 +/-   22.42      12.1 +/-   22.42  0.060 / 0.110
G17     32.8           51.6                8.9 +/-    0.42      11.1 +/-    0.42  0.080 / 0.100
G19     357.7          66.4                8.7 +/-    0.44       9.4 +/-    0.44  0.070 / 0.110
G24     299.9          37.0               10.5 +/-    1.18      16.1 +/-    1.18  0.080 / 0.120
G28     97.1           37.1               10.2 +/-    0.58      15.6 +/-    0.58  0.140 / 0.320