PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/19-23:42:40
G01     42.7           18.7                7.6 +/-    3.46      17.2 +/-    3.46  0.150 / 0.170
G06     178.7          31.5               13.0 +/-    1.32      22.0 +/-    1.32  0.110 / 0.170
G13     239.9          24.7               11.2 +/-    2.33      22.1 +/-    2.33  0.030 / 0.050
G15     273.5          13.4                7.6 +/-    1.47      19.6 +/-    1.47  0.040 / 0.050
G17     358.8          72.3                8.9 +/-    0.51       9.3 +/-    0.51  0.040 / 0.040
G19     266.4          67.0                9.5 +/-    0.74      10.2 +/-    0.74  0.040 / 0.030
G24     316.9          18.0                6.3 +/-    5.05      14.5 +/-    5.05  0.080 / 0.090
G28     62.6           51.2                8.9 +/-    0.31      11.0 +/-    0.31  0.090 / 0.090
G30     153.4          30.6               11.2 +/-    1.16      19.5 +/-    1.16  0.100 / 0.270