PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/26-17:57:50
G01     292.2          39.7               13.4 +/-    3.67      19.5 +/-    3.67  0.050 / 0.100
G03     311.9          17.9                8.6 +/-    1.62      20.0 +/-    1.62  0.050 / 0.070
G10     118.9          30.0                9.1 +/-    2.67      15.9 +/-    2.67  0.040 / 0.050
G11     268.5          26.1                8.0 +/-    1.42      15.2 +/-    1.42  0.040 / 0.040
G14     21.1           59.9                7.7 +/-    1.15       8.8 +/-    1.15  0.070 / 0.090
G22     313.7          38.1                6.8 +/-    1.65      10.2 +/-    1.65  0.070 / 0.100
G25     68.3           19.0                9.0 +/-    1.16      20.3 +/-    1.16  0.070 / 0.120
G26     157.3          12.4                9.6 +/-    2.37      25.5 +/-    2.37  0.070 / 0.110
G31     134.4          78.4                8.1 +/-    0.53       8.2 +/-    0.53  0.020 / 0.020
G32     50.3           42.5                7.9 +/-    0.96      11.1 +/-    0.96  0.020 / 0.020