PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/19-17:58:10
G08     263.6          17.7                9.5 +/-    1.82      22.1 +/-    1.82  0.180 / 0.300
G10     65.0           57.1                8.0 +/-    0.67       9.3 +/-    0.67  0.280 / 0.410
G11     309.6          19.2                8.4 +/-    1.98      18.8 +/-    1.98  0.130 / 0.250
G14     271.6          67.9                8.4 +/-    0.57       9.0 +/-    0.57  0.180 / 0.260
G18     310.1          36.3                7.8 +/-    2.66      12.1 +/-    2.66  0.070 / 0.050
G20     97.1           35.3                8.8 +/-    0.76      13.9 +/-    0.76  0.070 / 0.050
G21     154.2          10.8               10.0 +/-    6.94      27.5 +/-    6.94  0.030 / 0.040
G27     233.0          15.5                9.7 +/-    2.60      23.9 +/-    2.60  0.030 / 0.040
G31     180.8          28.8               10.2 +/-    1.41      18.3 +/-    1.41  0.090 / 0.190
G32     340.5          73.7                8.8 +/-    0.26       9.1 +/-    0.26  0.130 / 0.180