PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-15:57:40
G02     219.1          60.4               10.4 +/-    0.94      11.7 +/-    0.94  0.110 / 0.380
G06     51.8           71.4               10.5 +/-    0.41      11.0 +/-    0.41  0.100 / 0.360
G12     318.7          37.7                8.7 +/-    0.76      13.1 +/-    0.76  0.050 / 0.080
G17     56.5           34.1                7.5 +/-    0.69      12.2 +/-    0.69  0.040 / 0.090
G19     43.5           46.1                9.5 +/-    0.60      12.6 +/-    0.60  0.070 / 0.070
G24     262.8          40.5               11.3 +/-    1.58      16.3 +/-    1.58  0.080 / 0.080
G28     122.5          17.5                9.8 +/-    1.97      22.9 +/-    1.97  0.030 / 0.060