PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/10-09:58:00
G08     275.2          21.3                7.0 +/-    0.95      15.0 +/-    0.95  0.030 / 0.030
G10     46.2           60.5                6.0 +/-    1.01       6.8 +/-    1.01  0.030 / 0.030
G14     250.3          61.5                6.5 +/-    0.70       7.2 +/-    0.70  0.080 / 0.230
G18     315.4          26.6                3.0 +/-    1.48       5.6 +/-    1.48  0.090 / 0.210
G20     86.7           42.0                5.8 +/-    0.67       8.2 +/-    0.67  0.100 / 0.130
G21     152.6          21.7                6.1 +/-    3.41      12.8 +/-    3.41  0.080 / 0.140
G24     43.1           14.7                3.3 +/-    3.04       8.3 +/-    3.04  0.030 / 0.030
G27     240.1          22.1                7.1 +/-    1.94      14.8 +/-    1.94  0.030 / 0.020
G31     180.7          20.8                5.7 +/-    1.81      12.4 +/-    1.81  0.040 / 0.050
G32     283.2          73.2                4.4 +/-    0.52       4.6 +/-    0.52  0.040 / 0.060