PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/23-02:13:00
G03     248.8          69.0                5.0 +/-    1.33       5.3 +/-    1.33  0.110 / 0.280
G09     303.8          21.2                3.5 +/-    2.25       7.5 +/-    2.25  0.130 / 0.260
G14     97.9           15.8                5.9 +/-    1.85      14.5 +/-    1.85  0.030 / 0.040
G16     128.6          57.3                6.7 +/-    0.57       7.9 +/-    0.57  0.040 / 0.040
G22     199.0          58.4                7.5 +/-    0.78       8.6 +/-    0.78  0.050 / 0.060
G23     316.3          45.8                5.7 +/-    1.13       7.6 +/-    1.13  0.060 / 0.060
G26     72.9           52.7                3.5 +/-    0.75       4.3 +/-    0.75  0.030 / 0.050
G31     51.0           22.0                3.0 +/-    2.01       6.3 +/-    2.01  0.030 / 0.050