PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-09:43:10
G01     39.8           14.6                2.4 +/-    3.04       6.0 +/-    3.04  0.100 / 0.110
G06     173.2          40.0                7.1 +/-    0.93      10.3 +/-    0.93  0.090 / 0.130
G13     235.9          22.4                8.0 +/-    1.47      16.6 +/-    1.47  0.160 / 0.280
G15     269.8          12.0                5.6 +/-    1.90      14.9 +/-    1.90  0.140 / 0.300
G17     359.7          71.1                6.2 +/-    0.43       6.5 +/-    0.43  0.370 / 0.170
G19     281.9          71.0                4.8 +/-    0.64       5.1 +/-    0.64  0.170 / 0.200
G24     316.7          18.0                2.1 +/-    2.71       4.8 +/-    2.71  0.040 / 0.040
G28     63.7           52.3                5.5 +/-    0.87       6.8 +/-    0.87  0.040 / 0.030
G30     155.5          29.6                7.3 +/-    1.32      12.9 +/-    1.32  0.040 / 0.080