PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/07-01:42:30
G10     293.5          50.0               10.6 +/-    2.64      13.4 +/-    2.64  0.080 / 0.150
G14     209.5          11.7                4.5 +/-   30.20      12.1 +/-   30.20  0.080 / 0.130
G15     46.8           32.2                6.1 +/-    5.61      10.2 +/-    5.61  0.060 / 0.030
G18     350.0          66.5              -35.1 +/-   56.65     -38.0 +/-   56.65  0.040 / 0.030
G20     70.5           18.1                9.1 +/-    1.82      20.9 +/-    1.82  0.080 / 0.120
G21     89.2           75.1               12.2 +/-    0.65      12.6 +/-    0.65  0.070 / 0.110
G24     101.2          25.6               13.6 +/-    0.76      26.1 +/-    0.76  0.130 / 0.050
G27     300.9          34.3                5.4 +/-    6.88       8.7 +/-    6.88  0.100 / 0.120
G32     210.3          29.0               18.2 +/-    2.24      32.5 +/-    2.24  0.130 / 0.430