PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/06-21:12:30
G10     251.4          27.6               12.0 +/-    1.67      22.2 +/-    1.67  0.030 / 0.050
G13     52.6           29.1                8.8 +/-    0.74      15.6 +/-    0.74  0.040 / 0.050
G15     94.1           60.2               11.5 +/-    0.90      13.1 +/-    0.90  0.060 / 0.190
G16     293.9          15.7                7.1 +/-    4.14      17.4 +/-    4.14  0.070 / 0.180
G20     271.0          51.4               10.1 +/-    0.91      12.5 +/-    0.91  0.140 / 0.530
G21     334.8          60.7               10.0 +/-    0.55      11.2 +/-    0.55  0.150 / 0.520
G26     266.5          15.2               11.4 +/-    2.14      28.3 +/-    2.14  0.030 / 0.040
G29     165.2          49.6               11.4 +/-    0.62      14.4 +/-    0.62  0.030 / 0.040