PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/29-10:13:00
G01     45.8           21.7                2.7 +/-    0.60       5.6 +/-    0.60  0.040 / 0.080
G06     178.6          28.9                6.8 +/-    1.60      12.2 +/-    1.60  0.040 / 0.070
G13     246.5          27.0                6.3 +/-    1.69      11.8 +/-    1.69  0.040 / 0.030
G15     278.4          14.8                3.6 +/-    1.45       9.1 +/-    1.45  0.020 / 0.020
G17     348.5          75.1                5.3 +/-    0.53       5.5 +/-    0.53  0.090 / 0.230
G19     260.1          66.1                4.3 +/-    0.70       4.7 +/-    0.70  0.080 / 0.180
G24     318.9          11.5               -4.4 +/-   22.47     -11.8 +/-   22.47  0.170 / 0.290
G28     61.8           50.0                4.4 +/-    1.03       5.5 +/-    1.03  0.220 / 0.250
G30     151.9          35.6                7.3 +/-    1.39      11.4 +/-    1.39  0.070 / 0.110