PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-21:27:50
G01     305.5          35.9                9.8 +/-    1.07      15.3 +/-    1.07  0.040 / 0.050
G10     106.8          37.6               11.4 +/-    0.79      17.2 +/-    0.79  0.040 / 0.040
G11     284.1          26.2               10.0 +/-    1.20      19.1 +/-    1.20  0.080 / 0.180
G14     346.5          68.0                8.7 +/-    0.52       9.3 +/-    0.52  0.080 / 0.190
G20     121.5          11.5               10.1 +/-    1.52      27.2 +/-    1.52  0.080 / 0.250
G22     310.0          24.6                8.3 +/-    1.99      16.3 +/-    1.99  0.090 / 0.320
G25     82.5           16.3                9.0 +/-    1.97      21.7 +/-    1.97  0.040 / 0.040
G31     164.0          65.7               12.2 +/-    0.69      13.2 +/-    0.69  0.040 / 0.040
G32     37.9           51.2                9.7 +/-    0.60      12.1 +/-    0.60  0.080 / 0.240