PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/16-04:42:50
G03     251.2          69.2                4.8 +/-    0.50       5.1 +/-    0.50  0.040 / 0.050
G09     303.5          20.8                4.3 +/-    2.05       9.3 +/-    2.05  0.040 / 0.050
G14     97.1           16.9                4.6 +/-    1.87      10.8 +/-    1.87  0.030 / 0.060
G16     128.3          57.1                6.1 +/-    0.44       7.1 +/-    0.44  0.030 / 0.060
G22     199.0          58.9                4.4 +/-    1.06       5.1 +/-    1.06  0.130 / 0.440
G23     316.4          46.0                3.3 +/-    0.91       4.4 +/-    0.91  0.120 / 0.400
G26     72.6           52.2                4.5 +/-    0.67       5.5 +/-    0.67  0.060 / 0.060
G31     51.0           21.2                0.6 +/-    0.92       1.3 +/-    0.92  0.040 / 0.070