PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-05:12:40
G07     340.3          60.3                3.4 +/-    0.36       3.8 +/-    0.36  0.120 / 0.130
G08     91.0           52.0                5.4 +/-    0.69       6.6 +/-    0.69  0.120 / 0.140
G09     186.6          69.7                6.3 +/-    0.29       6.7 +/-    0.29  0.040 / 0.060
G11     142.9          15.0                6.6 +/-    2.65      16.4 +/-    2.65  0.040 / 0.040
G16     47.4           10.0                2.5 +/-    3.96       7.0 +/-    3.96  0.060 / 0.040
G23     157.1          39.4                7.7 +/-    0.75      11.3 +/-    0.75  0.050 / 0.050
G27     51.1           28.8                4.0 +/-    1.82       7.1 +/-    1.82  0.100 / 0.640
G28     240.6          33.0                3.8 +/-    1.51       6.2 +/-    1.51  0.090 / 0.790
G30     305.0          37.7                2.8 +/-    2.25       4.3 +/-    2.25  0.030 / 0.030