PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/19-08:58:00
G01     44.1           20.2                3.7 +/-    2.70       8.2 +/-    2.70  0.060 / 0.070
G06     175.0          31.7                6.6 +/-    1.37      11.2 +/-    1.37  0.060 / 0.070
G11     44.0           12.4                2.1 +/-    2.03       5.5 +/-    2.03  0.130 / 0.280
G13     242.8          27.5                6.2 +/-    1.47      11.4 +/-    1.47  0.090 / 0.330
G15     276.7          14.5                3.8 +/-    1.57       9.6 +/-    1.57  0.100 / 0.120
G17     338.3          76.4                6.0 +/-    0.41       6.1 +/-    0.41  0.110 / 0.110
G19     259.6          66.9                5.8 +/-    0.82       6.3 +/-    0.82  0.040 / 0.080
G24     318.5          11.6               -5.1 +/-   25.88     -13.7 +/-   25.88  0.030 / 0.080
G28     51.2           55.5                4.0 +/-    0.40       4.7 +/-    0.40  0.300 / 0.350
G30     153.2          37.8                6.5 +/-    0.48       9.8 +/-    0.48  0.220 / 0.350