PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-17:43:00
G01     320.0          16.5                7.8 +/-    2.85      18.8 +/-    2.85  0.370 / 0.250
G08     260.9          15.9                9.5 +/-    3.15      23.2 +/-    3.15  0.230 / 0.360
G10     73.7           53.7                8.1 +/-    0.77       9.8 +/-    0.77  0.040 / 0.050
G11     310.2          17.3                6.1 +/-    2.09      14.3 +/-    2.09  0.040 / 0.050
G14     273.1          66.1               10.9 +/-    0.38      11.8 +/-    0.38  0.150 / 0.460
G20     102.7          29.3                9.4 +/-    1.29      16.7 +/-    1.29  0.140 / 0.340
G27     227.1          12.3               10.5 +/-    4.68      27.7 +/-    4.68  0.040 / 0.040
G31     177.4          36.0               10.8 +/-    1.71      16.9 +/-    1.71  0.030 / 0.040
G32     1.9            70.1                8.2 +/-    0.44       8.6 +/-    0.44  0.050 / 0.090