PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-23:27:50
G01     234.6          24.9                7.8 +/-    1.32      15.3 +/-    1.32  0.030 / 0.040
G03     307.2          58.7                4.2 +/-    1.06       4.8 +/-    1.06  0.030 / 0.030
G14     76.7           30.5                6.2 +/-    0.60      10.8 +/-    0.60  0.070 / 0.180
G16     154.2          34.0               10.4 +/-    0.83      16.8 +/-    0.83  0.070 / 0.170
G22     259.3          75.1                5.9 +/-    0.67       6.1 +/-    0.67  0.090 / 0.170
G23     298.2          28.2                4.6 +/-    1.41       8.4 +/-    1.41  0.080 / 0.160
G26     118.3          50.0                7.4 +/-    0.61       9.3 +/-    0.61  0.070 / 0.130
G31     41.3           44.2                4.0 +/-    0.72       5.5 +/-    0.72  0.070 / 0.140
G32     90.8           12.8                8.3 +/-    1.38      21.8 +/-    1.38  0.030 / 0.040