PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-15:12:40
G01     38.7           12.1                6.3 +/-    2.12      16.9 +/-    2.12  0.080 / 0.180
G02     200.6          11.1                1.0 +/-   15.82       2.6 +/-   15.82  0.080 / 0.210
G06     171.1          47.1                9.4 +/-    1.27      12.3 +/-    1.27  0.190 / 0.420
G13     232.7          18.2                8.6 +/-    1.61      19.8 +/-    1.61  0.140 / 0.630
G17     13.8           65.2                7.2 +/-    0.74       7.9 +/-    0.74  0.390 / 0.470
G19     286.5          68.8                8.3 +/-    0.66       8.8 +/-    0.66  0.400 / 0.440
G24     313.6          25.2                7.6 +/-    1.85      14.7 +/-    1.85  0.060 / 0.090
G28     78.6           44.1                8.1 +/-    0.90      11.1 +/-    0.90  0.040 / 0.090
G30     156.4          23.3                9.2 +/-    1.79      18.8 +/-    1.79  0.040 / 0.040