PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/25-04:27:50
G03     225.9          63.9                4.6 +/-    0.45       5.0 +/-    0.45  0.040 / 0.060
G07     252.7          12.2                3.7 +/-    1.77       9.9 +/-    1.77  0.050 / 0.060
G09     309.3          28.8                2.6 +/-    2.28       4.7 +/-    2.28  0.130 / 0.550
G14     104.9          10.4                3.0 +/-    2.58       8.4 +/-    2.58  0.150 / 0.390
G16     108.1          62.7                5.7 +/-    0.96       6.3 +/-    0.96  0.030 / 0.040
G22     192.5          48.8                5.9 +/-    2.67       7.6 +/-    2.67  0.040 / 0.050
G23     323.7          53.7                5.4 +/-    0.66       6.5 +/-    0.66  0.140 / 0.400
G26     59.3           47.1                2.8 +/-    0.37       3.7 +/-    0.37  0.150 / 0.420
G31     56.0           14.2                1.6 +/-    2.01       4.2 +/-    2.01  0.030 / 0.050