PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/06-16:57:50
G01     300.2          37.0                7.5 +/-    0.88      11.5 +/-    0.88  0.030 / 0.040
G03     309.4          13.0                7.3 +/-    3.83      18.9 +/-    3.83  0.030 / 0.030
G10     113.0          35.2                7.7 +/-    0.79      12.2 +/-    0.79  0.070 / 0.120
G11     276.4          27.1                7.6 +/-    1.40      14.2 +/-    1.40  0.070 / 0.130
G14     8.8            63.8                5.7 +/-    0.56       6.3 +/-    0.56  0.040 / 0.050
G22     312.2          32.6                6.5 +/-    1.10      10.8 +/-    1.10  0.040 / 0.060
G25     75.5           18.4                6.9 +/-    0.70      15.9 +/-    0.70  0.070 / 0.140
G31     155.6          72.9                7.7 +/-    0.97       8.0 +/-    0.97  0.070 / 0.140
G32     44.0           47.0                4.9 +/-    0.62       6.5 +/-    0.62  0.050 / 0.070