PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-02:27:40
G05     49.1           15.8                7.3 +/-    0.60      17.8 +/-    0.60  0.100 / 0.310
G10     236.3          12.5               17.0 +/-    4.09      45.0 +/-    4.09  0.110 / 0.320
G13     75.6           36.4               10.4 +/-    1.02      16.1 +/-    1.02  0.060 / 0.100
G15     125.3          52.3               15.5 +/-    0.77      19.0 +/-    0.77  0.050 / 0.090
G16     313.1          13.1                7.4 +/-    2.25      19.3 +/-    2.25  0.060 / 0.140
G20     250.2          42.9               17.7 +/-    1.05      24.5 +/-    1.05  0.050 / 0.100
G21     312.7          46.6               10.9 +/-    0.72      14.3 +/-    0.72  0.030 / 0.030
G26     285.7          20.8               10.7 +/-    2.40      23.2 +/-    2.40  0.030 / 0.030
G29     156.6          73.2               13.6 +/-    0.99      14.2 +/-    0.99  0.030 / 0.050