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              -22.0 +/-   12.76     -56.3 +/-   12.76  0.180 / 0.460
G08     260.5          15.6               14.8 +/-    2.54      36.2 +/-    2.54  0.120 / 0.460
G10     72.1           55.4               11.9 +/-    0.62      14.2 +/-    0.62  0.040 / 0.060
G11     306.6          21.2                8.4 +/-    1.94      17.9 +/-    1.94  0.040 / 0.060
G14     280.2          68.5               13.0 +/-    0.66      13.8 +/-    0.66  0.150 / 0.360
G18     308.3          37.4                9.5 +/-    2.48      14.4 +/-    2.48  0.140 / 0.280
G20     101.0          32.6               12.9 +/-    1.26      21.5 +/-    1.26  0.090 / 0.280
G27     228.3          12.1               17.1 +/-    5.57      45.6 +/-    5.57  0.080 / 0.260
G31     176.4          37.4               17.5 +/-    1.42      26.6 +/-    1.42  0.080 / 0.110
G32     0.3            70.2               11.6 +/-    0.62      12.3 +/-    0.62  0.070 / 0.100