PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/23-02:12:40
G03     248.8          69.0                5.7 +/-    0.89       6.1 +/-    0.89  0.040 / 0.040
G09     303.8          21.2                4.5 +/-    2.12       9.6 +/-    2.12  0.040 / 0.050
G14     97.9           15.8                5.6 +/-    2.03      13.6 +/-    2.03  0.110 / 0.340
G16     128.6          57.3                6.8 +/-    0.61       8.0 +/-    0.61  0.100 / 0.370
G22     199.0          58.4                9.2 +/-    0.67      10.6 +/-    0.67  0.030 / 0.050
G23     316.3          45.8                5.0 +/-    1.26       6.7 +/-    1.26  0.040 / 0.050
G26     72.9           52.7                5.0 +/-    0.64       6.1 +/-    0.64  0.050 / 0.080
G31     51.0           22.0                1.6 +/-    0.46       3.4 +/-    0.46  0.050 / 0.060