PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-17:12:30
G02     218.7          60.1               10.0 +/-    0.78      11.3 +/-    0.78  0.070 / 0.070
G06     51.1           70.0               10.0 +/-    0.85      10.6 +/-    0.85  0.080 / 0.080
G12     320.6          42.5               10.3 +/-    1.81      14.4 +/-    1.81  0.110 / 0.540
G17     60.0           30.0                9.7 +/-    1.12      16.9 +/-    1.12  0.080 / 0.620
G19     38.5           50.2                9.8 +/-    0.59      12.4 +/-    0.59  0.070 / 0.070
G24     260.0          41.2               12.6 +/-    1.65      18.0 +/-    1.65  0.080 / 0.090
G28     124.1          12.0                8.4 +/-    2.97      22.4 +/-    2.97  0.050 / 0.060