PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-01:28:10
G01     219.2          11.7                8.6 +/-    2.37      23.0 +/-    2.37  0.030 / 0.040
G03     270.1          69.8                4.8 +/-    0.39       5.1 +/-    0.39  0.040 / 0.050
G09     298.7          13.9                5.4 +/-    2.32      13.7 +/-    2.32  0.040 / 0.070
G14     90.7           22.9                4.0 +/-    0.47       8.3 +/-    0.47  0.050 / 0.070
G16     136.2          51.7                8.9 +/-    0.73      11.0 +/-    0.73  0.100 / 0.210
G22     208.3          64.8                5.9 +/-    0.60       6.4 +/-    0.60  0.100 / 0.240
G23     313.2          43.2                6.4 +/-    0.88       8.9 +/-    0.88  0.120 / 0.450
G26     83.4           53.9                5.0 +/-    0.33       6.1 +/-    0.33  0.140 / 0.440
G31     48.7           25.2                4.3 +/-    1.10       8.4 +/-    1.10  0.040 / 0.040