PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-03:28:00
G01     289.0          41.8                4.7 +/-    2.38       6.6 +/-    2.38  0.040 / 0.040
G03     312.1          17.2                5.7 +/-    2.16      13.5 +/-    2.16  0.060 / 0.050
G10     119.9          26.7                6.0 +/-    1.02      11.3 +/-    1.02  0.060 / 0.090
G11     265.5          24.9                8.1 +/-    4.79      15.8 +/-    4.79  0.050 / 0.080
G14     22.2           59.6                6.6 +/-    1.31       7.5 +/-    1.31  0.130 / 0.160
G18     250.8          47.5                7.8 +/-    9.77      10.1 +/-    9.77  0.090 / 0.170
G22     314.0          37.8                6.0 +/-    0.94       9.1 +/-    0.94  0.160 / 0.080
G25     67.8           18.7                5.1 +/-    1.00      11.6 +/-    1.00  0.120 / 0.120
G31     117.5          78.5                6.8 +/-    0.68       6.9 +/-    0.68  0.040 / 0.050
G32     50.7           42.3                4.6 +/-    1.13       6.5 +/-    1.13  0.040 / 0.050