PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/24-06:57:50
G01     57.5           29.5                3.9 +/-    0.87       6.9 +/-    0.87  0.030 / 0.050
G06     179.7          16.7                6.7 +/-    3.38      16.0 +/-    3.38  0.030 / 0.040
G07     143.0          18.3                7.1 +/-    0.96      16.3 +/-    0.96  0.060 / 0.140
G11     46.4           20.3                3.1 +/-    1.23       6.7 +/-    1.23  0.060 / 0.140
G13     259.0          34.6                6.2 +/-    1.43      10.0 +/-    1.43  0.040 / 0.060
G15     293.6          15.5                1.9 +/-    1.75       4.7 +/-    1.75  0.040 / 0.060
G17     280.9          79.8                7.2 +/-    1.13       7.3 +/-    1.13  0.120 / 0.210
G19     234.4          50.2                9.0 +/-    1.69      11.4 +/-    1.69  0.090 / 0.230
G28     36.9           56.9                5.7 +/-    0.65       6.7 +/-    0.65  0.030 / 0.020
G30     145.8          51.4                9.5 +/-    0.61      11.8 +/-    0.61  0.040 / 0.030