PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/26-00:12:30
G07     343.3          61.3                6.5 +/-    0.71       7.3 +/-    0.71  0.090 / 0.120
G08     89.3           53.1                8.0 +/-    0.69       9.8 +/-    0.69  0.120 / 0.110
G09     186.9          67.4                7.9 +/-    0.40       8.4 +/-    0.40  0.040 / 0.130
G11     143.1          16.6                9.9 +/-    2.17      23.6 +/-    2.17  0.120 / 0.110
G23     157.3          34.3                9.1 +/-    1.14      14.5 +/-    1.14  0.040 / 0.040
G27     48.8           27.2                4.4 +/-    1.74       8.1 +/-    1.74  0.070 / 0.050
G28     243.3          35.4               10.0 +/-    2.27      15.7 +/-    2.27  0.030 / 0.040
G30     309.8          42.5                6.3 +/-    0.70       8.8 +/-    0.70  0.030 / 0.030