PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/13-17:58:00
G01     316.2          25.2                7.5 +/-    1.47      14.7 +/-    1.47  0.210 / 0.330
G10     89.0           47.8               10.6 +/-    0.87      13.8 +/-    0.87  0.140 / 0.250
G11     301.5          22.2                8.4 +/-    1.37      17.6 +/-    1.37  0.050 / 0.050
G14     301.8          69.8                8.7 +/-    0.59       9.2 +/-    0.59  0.040 / 0.050
G20     111.3          21.8               10.1 +/-    1.15      21.3 +/-    1.15  0.230 / 0.350
G22     303.8          13.4                7.9 +/-    2.41      20.3 +/-    2.41  0.230 / 0.400
G25     96.3           10.4                8.3 +/-   14.42      22.9 +/-   14.42  0.040 / 0.040
G31     174.9          47.4               10.9 +/-    1.08      14.2 +/-    1.08  0.040 / 0.040
G32     20.4           62.3                8.7 +/-    0.94       9.7 +/-    0.94  0.050 / 0.050