PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/11-18:43:00
G01     320.3          14.6                9.2 +/-    0.78      23.2 +/-    0.78  0.120 / 0.280
G08     258.9          15.3                9.1 +/-    3.34      22.4 +/-    3.34  0.170 / 0.390
G10     73.7           54.7               11.4 +/-    0.29      13.7 +/-    0.29  0.030 / 0.040
G11     305.6          22.0                9.0 +/-    1.60      19.0 +/-    1.60  0.030 / 0.040
G14     285.5          70.0               12.4 +/-    0.66      13.1 +/-    0.66  0.080 / 0.040
G18     306.4          40.1               11.9 +/-    1.40      17.3 +/-    1.40  0.070 / 0.060
G20     101.8          31.8               12.1 +/-    0.76      20.5 +/-    0.76  0.070 / 0.210
G27     229.1          12.1               10.7 +/-    5.02      28.5 +/-    5.02  0.080 / 0.170
G31     179.6          34.6               15.3 +/-    1.19      24.5 +/-    1.19  0.120 / 0.340
G32     356.2          70.7               12.1 +/-    0.68      12.7 +/-    0.68  0.160 / 0.470