PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/25-00:28:10
G10     293.3          49.9               10.2 +/-    0.79      12.9 +/-    0.79  0.040 / 0.040
G14     209.5          11.5                5.4 +/-   30.64      14.7 +/-   30.64  0.040 / 0.040
G15     46.7           31.5                9.9 +/-    0.78      16.9 +/-    0.78  0.060 / 0.130
G18     351.0          66.5               10.5 +/-    0.45      11.4 +/-    0.45  0.060 / 0.130
G20     70.2           18.6                9.9 +/-    1.43      22.5 +/-    1.43  0.040 / 0.050
G21     89.8           74.8               11.5 +/-    0.93      11.9 +/-    0.93  0.030 / 0.060
G24     101.4          25.6               12.7 +/-    0.96      24.5 +/-    0.96  0.060 / 0.080
G27     301.1          34.2               11.7 +/-    0.55      18.8 +/-    0.55  0.050 / 0.090
G32     210.3          28.2               14.0 +/-    0.82      25.4 +/-    0.82  0.180 / 0.750