PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/24-13:27:40
G02     201.0          15.3                7.2 +/-    2.39      17.8 +/-    2.39  0.120 / 0.170
G06     170.1          51.5                8.0 +/-    0.38       9.9 +/-    0.38  0.110 / 0.150
G13     227.8          15.1                7.9 +/-    1.75      19.5 +/-    1.75  0.040 / 0.030
G17     13.2           64.3                5.8 +/-    1.09       6.4 +/-    1.09  0.040 / 0.030
G19     319.1          72.0                5.1 +/-    0.96       5.3 +/-    0.96  0.050 / 0.030
G24     311.8          26.8                5.4 +/-    1.15      10.1 +/-    1.15  0.040 / 0.030
G28     79.4           46.6                6.4 +/-    0.94       8.4 +/-    0.94  0.190 / 0.250
G30     157.0          17.5                6.9 +/-    0.95      16.0 +/-    0.95  0.210 / 0.180