PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/06-17:13:10
G01     291.6          39.9                7.3 +/-    1.11      10.6 +/-    1.11  0.020 / 0.030
G03     312.2          18.8                6.9 +/-    1.09      15.5 +/-    1.09  0.020 / 0.020
G10     119.3          29.6                8.1 +/-    1.26      14.4 +/-    1.26  0.060 / 0.090
G11     268.4          25.9               10.1 +/-    1.30      19.3 +/-    1.30  0.060 / 0.090
G14     21.3           59.8                6.8 +/-    0.35       7.8 +/-    0.35  0.040 / 0.060
G22     313.9          38.9                6.5 +/-    2.19       9.6 +/-    2.19  0.050 / 0.070
G25     68.0           19.1                8.0 +/-    0.56      18.0 +/-    0.56  0.080 / 0.110
G26     156.8          12.9               10.5 +/-    1.89      27.6 +/-    1.89  0.080 / 0.120
G31     130.0          78.8                7.7 +/-    0.58       7.8 +/-    0.58  0.050 / 0.130
G32     50.9           42.0                5.9 +/-    0.48       8.3 +/-    0.48  0.050 / 0.110