PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-09:12:50
G01     50.9           25.9                3.5 +/-    0.63       6.8 +/-    0.63  0.040 / 0.070
G06     180.2          21.7                5.7 +/-    1.81      12.1 +/-    1.81  0.040 / 0.080
G07     145.8          12.3                4.9 +/-    3.09      12.9 +/-    3.09  0.100 / 0.370
G11     44.8           15.2                0.7 +/-    3.72       1.6 +/-    3.72  0.110 / 0.370
G13     253.4          30.8                5.4 +/-    1.29       9.3 +/-    1.29  0.060 / 0.210
G15     284.6          16.1                1.2 +/-    1.74       2.9 +/-    1.74  0.080 / 0.250
G17     319.2          79.0                4.3 +/-    0.64       4.4 +/-    0.64  0.020 / 0.020
G19     246.5          60.9                5.3 +/-    0.92       6.0 +/-    0.92  0.030 / 0.030
G28     51.9           52.8                3.4 +/-    0.54       4.2 +/-    0.54  0.080 / 0.140
G30     148.9          42.2                7.7 +/-    0.83      10.8 +/-    0.83  0.080 / 0.140