PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/12-02:43:10
G01     221.3          12.1                4.8 +/-    1.90      12.9 +/-    1.90  0.030 / 0.040
G03     269.2          69.5                4.9 +/-    0.79       5.2 +/-    0.79  0.040 / 0.040
G09     300.3          17.3                4.4 +/-    1.86      10.4 +/-    1.86  0.150 / 0.240
G14     92.6           20.0                3.8 +/-    1.72       8.4 +/-    1.72  0.270 / 0.320
G16     137.4          52.2                7.4 +/-    0.41       9.1 +/-    0.41  0.110 / 0.230
G22     206.0          64.6                5.7 +/-    0.52       6.2 +/-    0.52  0.120 / 0.230
G23     311.8          41.2                4.3 +/-    1.00       6.1 +/-    1.00  0.040 / 0.050
G26     83.5           54.2                5.0 +/-    0.58       6.0 +/-    0.58  0.050 / 0.050
G31     48.2           26.5                0.6 +/-    2.54       1.2 +/-    2.54  0.210 / 0.340