PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/30-16:27:40
G03     225.1          66.8                9.4 +/-    0.70      10.2 +/-    0.70  0.090 / 0.280
G09     303.8          18.2               10.5 +/-    1.56      24.1 +/-    1.56  0.220 / 0.360
G14     99.9           16.1                9.7 +/-    1.69      23.4 +/-    1.69  0.040 / 0.050
G16     122.9          60.1               12.3 +/-    0.32      14.0 +/-    0.32  0.110 / 0.100
G22     189.7          51.7               10.4 +/-    0.83      12.8 +/-    0.83  0.060 / 0.060
G23     323.1          52.9               10.2 +/-    0.59      12.4 +/-    0.59  0.080 / 0.070
G26     65.8           50.0               10.4 +/-    0.62      13.2 +/-    0.62  0.340 / 0.200
G31     53.3           17.3                8.5 +/-    3.31      20.0 +/-    3.31  0.400 / 0.290