PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/25-05:57:30
G03     193.2          24.9                5.8 +/-    1.51      11.3 +/-    1.51  0.060 / 0.110
G07     287.7          36.5                5.9 +/-    1.97       9.1 +/-    1.97  0.070 / 0.070
G08     141.7          26.3                6.4 +/-    2.51      12.2 +/-    2.51  0.060 / 0.090
G09     323.7          66.2                5.5 +/-    0.47       5.9 +/-    0.47  0.060 / 0.080
G16     43.7           40.2                3.5 +/-    0.91       5.0 +/-    0.91  0.030 / 0.030
G23     92.3           82.8                5.0 +/-    0.32       5.0 +/-    0.32  0.030 / 0.030
G26     43.3           13.5                2.3 +/-    2.15       5.8 +/-    2.15  0.060 / 0.070
G27     104.7          32.3                6.1 +/-    1.02      10.2 +/-    1.02  0.050 / 0.060