PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-01:27:50
G01     227.2          20.0                7.8 +/-    2.53      17.3 +/-    2.53  0.040 / 0.030
G03     299.0          63.9                3.5 +/-    0.88       3.8 +/-    0.88  0.050 / 0.030
G14     80.5           29.7                5.3 +/-    2.83       9.3 +/-    2.83  0.090 / 0.130
G16     147.7          41.0                6.7 +/-    1.24       9.7 +/-    1.24  0.100 / 0.150
G22     236.2          73.3                5.1 +/-    0.73       5.3 +/-    0.73  0.040 / 0.030
G23     304.6          35.2                4.6 +/-    1.95       7.3 +/-    1.95  0.040 / 0.030
G26     104.7          52.9                4.9 +/-    0.46       6.0 +/-    0.46  0.200 / 0.460
G31     44.4           34.8                3.3 +/-    1.25       5.3 +/-    1.25  0.170 / 0.470