PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/19-15:28:10
G01     313.8          26.8                6.9 +/-    0.92      13.0 +/-    0.92  0.130 / 0.200
G10     95.4           46.7                8.3 +/-    0.83      10.9 +/-    0.83  0.100 / 0.180
G11     294.7          25.5                5.7 +/-    1.39      11.0 +/-    1.39  0.040 / 0.040
G14     328.0          70.1                6.8 +/-    0.42       7.1 +/-    0.42  0.030 / 0.040
G22     306.4          20.2                5.5 +/-    1.37      12.1 +/-    1.37  0.110 / 0.240
G25     91.7           13.5               10.0 +/-    2.59      25.9 +/-    2.59  0.120 / 0.210
G31     171.6          55.4               10.4 +/-    0.75      12.3 +/-    0.75  0.040 / 0.040
G32     26.4           58.6                7.3 +/-    0.66       8.4 +/-    0.66  0.050 / 0.050