PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/22-06:27:30
G03     250.0          68.7                5.5 +/-    0.91       5.9 +/-    0.91  0.140 / 0.420
G09     303.3          19.5                6.1 +/-    2.44      13.6 +/-    2.44  0.140 / 0.450
G14     97.9           16.4                5.3 +/-    1.66      12.7 +/-    1.66  0.050 / 0.050
G16     124.0          58.1                6.8 +/-    0.86       7.8 +/-    0.86  0.050 / 0.050
G22     198.8          58.2                7.0 +/-    1.82       8.1 +/-    1.82  0.040 / 0.070
G23     317.2          46.9                3.3 +/-    1.82       4.4 +/-    1.82  0.040 / 0.060
G26     69.3           50.8                6.3 +/-    0.59       7.9 +/-    0.59  0.030 / 0.060
G31     52.0           19.0                1.8 +/-    2.81       4.1 +/-    2.81  0.040 / 0.050