PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-12:58:00
G02     204.5          38.8                6.3 +/-    1.21       9.4 +/-    1.21  0.050 / 0.070
G06     157.9          72.3                5.5 +/-    0.82       5.7 +/-    0.82  0.050 / 0.090
G12     309.9          17.9                4.9 +/-    0.98      11.3 +/-    0.98  0.110 / 0.130
G17     42.1           44.2                3.1 +/-    0.40       4.3 +/-    0.40  0.110 / 0.120
G19     14.0           61.5                3.9 +/-    0.63       4.4 +/-    0.63  0.040 / 0.020
G24     295.0          39.0                4.5 +/-    1.82       6.6 +/-    1.82  0.040 / 0.030
G28     107.1          27.7                4.8 +/-    2.38       8.8 +/-    2.38  0.110 / 0.160