PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-00:42:50
G01     236.1          25.8                7.5 +/-    1.85      14.3 +/-    1.85  0.030 / 0.020
G03     308.5          56.9                3.4 +/-    1.67       4.0 +/-    1.67  0.030 / 0.020
G14     75.8           31.0                4.3 +/-    1.17       7.3 +/-    1.17  0.090 / 0.190
G16     160.7          29.5                1.2 +/-    2.72       2.2 +/-    2.72  0.080 / 0.180
G22     266.9          75.0                6.3 +/-    0.99       6.5 +/-    0.99  0.050 / 0.040
G23     297.3          27.7                5.0 +/-    2.20       9.2 +/-    2.20  0.050 / 0.050
G26     124.3          48.7                7.7 +/-    0.79       9.9 +/-    0.79  0.080 / 0.110
G31     40.1           47.2                3.3 +/-    1.20       4.4 +/-    1.20  0.090 / 0.140
G32     89.1           15.3                4.7 +/-    2.70      11.7 +/-    2.70  0.120 / 0.270