PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-15:12:50
G01     57.6           29.3                8.9 +/-    1.45      15.7 +/-    1.45  0.040 / 0.050
G06     179.6          17.3               11.9 +/-    3.91      28.0 +/-    3.91  0.040 / 0.060
G07     142.9          17.1                9.6 +/-    1.78      22.6 +/-    1.78  0.070 / 0.190
G11     46.5           19.2                8.2 +/-    1.12      18.5 +/-    1.12  0.070 / 0.180
G13     262.1          34.1               11.7 +/-    1.59      18.9 +/-    1.59  0.030 / 0.030
G15     294.5          15.6                7.4 +/-    1.47      18.0 +/-    1.47  0.030 / 0.030
G17     280.2          79.6               12.0 +/-    0.82      12.2 +/-    0.82  0.040 / 0.100
G19     236.1          55.0               11.7 +/-    0.79      14.0 +/-    0.79  0.050 / 0.110
G28     39.8           55.8               10.4 +/-    0.50      12.3 +/-    0.50  0.080 / 0.150
G30     145.0          52.2               12.2 +/-    1.10      15.0 +/-    1.10  0.070 / 0.170