PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-00:27:50
G01     245.9          32.6                6.0 +/-    1.46      10.1 +/-    1.46  0.030 / 0.040
G03     314.7          47.1                4.0 +/-    1.29       5.3 +/-    1.29  0.040 / 0.040
G11     233.1          10.3                7.9 +/-    1.97      21.9 +/-    1.97  0.080 / 0.340
G14     65.8           37.2                3.7 +/-    0.49       5.7 +/-    0.49  0.080 / 0.440
G16     165.6          19.2                9.4 +/-    1.63      21.2 +/-    1.63  0.070 / 0.130
G22     298.3          69.1                6.5 +/-    0.70       6.9 +/-    0.70  0.090 / 0.130
G23     289.6          21.1                5.7 +/-    1.98      12.2 +/-    1.98  0.030 / 0.050
G26     136.3          40.7                9.8 +/-    1.20      14.1 +/-    1.20  0.030 / 0.040
G31     39.1           57.6                4.7 +/-    0.64       5.5 +/-    0.64  0.050 / 0.110
G32     80.5           21.7                4.3 +/-    1.56       9.0 +/-    1.56  0.050 / 0.130