PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/16-16:28:10
G01     294.0          39.3                7.9 +/-    4.43      11.7 +/-    4.43  0.050 / 0.080
G03     311.6          17.8                8.2 +/-    1.43      19.0 +/-    1.43  0.070 / 0.090
G10     117.8          31.0                9.9 +/-    1.40      17.0 +/-    1.40  0.090 / 0.120
G11     270.8          26.2                7.2 +/-    1.14      13.6 +/-    1.14  0.060 / 0.130
G14     17.7           61.1                9.3 +/-    0.96      10.5 +/-    0.96  0.020 / 0.020
G22     313.6          37.7                7.7 +/-    1.58      11.6 +/-    1.58  0.020 / 0.020
G25     70.0           19.0                9.0 +/-    1.81      20.3 +/-    1.81  0.040 / 0.050
G26     157.6          11.6                7.9 +/-   22.15      21.2 +/-   22.15  0.040 / 0.060
G31     137.1          77.6               10.6 +/-    0.76      10.9 +/-    0.76  0.080 / 0.070
G32     49.3           43.1                8.2 +/-    1.02      11.3 +/-    1.02  0.090 / 0.080