PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-20:12:50
G02     52.4           39.4                9.2 +/-    1.32      13.5 +/-    1.32  0.030 / 0.030
G05     72.2           66.8                9.8 +/-    0.25      10.6 +/-    0.25  0.030 / 0.030
G12     182.8          37.1               11.2 +/-    0.47      17.1 +/-    0.47  0.290 / 0.430
G13     133.3          10.4                4.1 +/-   26.86      11.2 +/-   26.86  0.210 / 0.410
G21     265.3          11.9                8.2 +/-   12.99      22.1 +/-   12.99  0.090 / 0.080
G25     247.5          56.2               10.2 +/-    1.96      12.0 +/-    1.96  0.050 / 0.080
G29     322.8          46.5                9.2 +/-    0.85      12.2 +/-    0.85  0.040 / 0.060