PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-21:28:10
G01     310.0          32.5               11.4 +/-    0.80      19.0 +/-    0.80  0.100 / 0.190
G10     101.4          41.2                9.3 +/-    0.78      13.3 +/-    0.78  0.120 / 0.290
G11     289.6          25.8               10.0 +/-    1.12      19.1 +/-    1.12  0.040 / 0.050
G14     333.1          69.5                9.3 +/-    0.56       9.9 +/-    0.56  0.040 / 0.050
G20     118.2          15.4               10.2 +/-    2.10      25.2 +/-    2.10  0.320 / 0.360
G22     308.1          20.5                8.0 +/-    1.29      17.5 +/-    1.29  0.130 / 0.330
G25     87.6           14.6                9.4 +/-    2.32      23.6 +/-    2.32  0.080 / 0.120
G31     168.4          60.1               10.2 +/-    0.74      11.6 +/-    0.74  0.080 / 0.110
G32     32.4           55.0                9.4 +/-    0.68      11.2 +/-    0.68  0.040 / 0.040