PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/11-00:58:00
G01     320.5          13.8              -18.9 +/-   16.52     -48.4 +/-   16.52  0.190 / 0.390
G08     260.5          15.6               15.2 +/-    2.60      37.4 +/-    2.60  0.170 / 0.370
G10     72.1           55.4               12.7 +/-    0.41      15.0 +/-    0.41  0.030 / 0.050
G11     306.6          21.2               10.3 +/-    2.02      21.9 +/-    2.02  0.040 / 0.050
G14     280.2          68.5               13.1 +/-    0.60      13.9 +/-    0.60  0.260 / 0.330
G18     308.3          37.4               11.8 +/-    2.11      17.9 +/-    2.11  0.150 / 0.270
G20     101.0          32.6               12.2 +/-    0.89      20.2 +/-    0.89  0.170 / 0.200
G27     228.3          12.1               18.4 +/-    1.25      48.8 +/-    1.25  0.180 / 0.270
G31     176.4          37.4               16.6 +/-    0.62      25.2 +/-    0.62  0.140 / 0.280
G32     0.3            70.2               11.7 +/-    0.29      12.3 +/-    0.29  0.060 / 0.090