PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-02:28:00
G01     315.2          26.3                7.4 +/-    2.08      13.9 +/-    2.08  0.050 / 0.050
G10     92.6           46.4                9.1 +/-    0.78      12.0 +/-    0.78  0.050 / 0.050
G11     295.5          25.4                7.8 +/-    1.08      15.0 +/-    1.08  0.100 / 0.180
G14     319.7          70.9                8.8 +/-    0.80       9.2 +/-    0.80  0.160 / 0.220
G18     294.7          46.5                9.6 +/-    6.03      12.7 +/-    6.03  0.210 / 0.270
G20     112.5          22.7                9.0 +/-    1.04      18.5 +/-    1.04  0.180 / 0.270
G22     305.0          15.7                5.8 +/-    2.47      14.1 +/-    2.47  0.060 / 0.080
G25     94.8           11.8                7.9 +/-    3.22      21.1 +/-    3.22  0.080 / 0.070
G31     171.3          52.6               10.5 +/-    1.02      12.9 +/-    1.02  0.030 / 0.030
G32     20.7           61.8                7.2 +/-    0.80       8.1 +/-    0.80  0.030 / 0.040