PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-22:27:50
G01     235.6          25.8                9.3 +/-    1.70      17.8 +/-    1.70  0.080 / 0.130
G03     308.3          57.9                6.8 +/-    1.93       7.9 +/-    1.93  0.080 / 0.120
G14     75.7           31.1                7.5 +/-    1.33      12.9 +/-    1.33  0.040 / 0.030
G16     155.4          32.6               10.0 +/-    1.66      16.6 +/-    1.66  0.040 / 0.030
G22     263.7          75.0                8.3 +/-    1.00       8.5 +/-    1.00  0.100 / 0.170
G23     297.3          27.3                9.0 +/-    2.37      16.8 +/-    2.37  0.180 / 0.220
G26     121.0          49.2                9.9 +/-    0.78      12.6 +/-    0.78  0.040 / 0.140
G31     40.8           46.2                6.9 +/-    0.77       9.2 +/-    0.77  0.060 / 0.050
G32     89.7           13.9                8.6 +/-    2.19      21.9 +/-    2.19  0.060 / 0.110