PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/19-01:27:50
G03     253.5          69.7                5.6 +/-    0.90       5.9 +/-    0.90  0.040 / 0.050
G09     301.9          17.6                3.5 +/-   10.82       8.2 +/-   10.82  0.040 / 0.050
G14     95.0           19.8                4.5 +/-    1.56       9.9 +/-    1.56  0.100 / 0.200
G16     128.9          55.9                7.6 +/-    0.98       9.0 +/-    0.98  0.090 / 0.260
G22     202.0          59.9                6.6 +/-    0.80       7.5 +/-    0.80  0.150 / 0.200
G23     317.0          46.9                5.9 +/-    0.78       7.7 +/-    0.78  0.100 / 0.180
G26     74.5           52.6                4.4 +/-    0.92       5.4 +/-    0.92  0.030 / 0.030
G31     51.0           21.2                3.8 +/-    2.34       8.2 +/-    2.34  0.030 / 0.030