PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/19-00:28:10
G08     314.7          16.4                7.4 +/-    3.76      17.7 +/-    3.76  0.270 / 0.070
G10     318.1          57.5                7.6 +/-    0.88       8.8 +/-    0.88  0.070 / 0.080
G14     214.6          22.5                9.5 +/-    1.87      19.7 +/-    1.87  0.050 / 0.040
G15     45.9           20.2                6.8 +/-    2.89      14.8 +/-    2.89  0.040 / 0.040
G20     310.0          53.5                7.6 +/-    1.55       9.2 +/-    1.55  0.130 / 0.250
G21     124.5          65.5                8.9 +/-    0.84       9.7 +/-    0.84  0.180 / 0.190
G24     81.1           29.3                8.6 +/-    0.95      15.3 +/-    0.95  0.090 / 0.140
G27     285.3          37.5                8.1 +/-    0.86      12.2 +/-    0.86  0.080 / 0.130
G32     217.1          46.6                9.8 +/-    0.91      12.9 +/-    0.91  0.580 / 0.340