PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/13-18:42:50
G01     296.7          38.4               10.3 +/-    0.67      15.5 +/-    0.67  0.110 / 0.120
G03     310.4          14.4                8.7 +/-    3.37      22.0 +/-    3.37  0.090 / 0.120
G10     115.8          32.9               12.5 +/-    0.88      20.6 +/-    0.88  0.050 / 0.110
G11     272.1          27.0                8.9 +/-    2.10      16.6 +/-    2.10  0.050 / 0.120
G14     15.7           61.8                8.8 +/-    0.77       9.9 +/-    0.77  0.080 / 0.080
G22     312.8          34.4                9.4 +/-    1.60      15.1 +/-    1.60  0.060 / 0.090
G25     72.0           18.7               10.4 +/-    1.21      23.7 +/-    1.21  0.030 / 0.030
G31     151.1          75.3               12.8 +/-    1.11      13.2 +/-    1.11  0.020 / 0.030
G32     46.5           45.3                9.0 +/-    0.39      12.0 +/-    0.39  0.040 / 0.050