PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-02:57:50
G10     245.8          22.4               16.3 +/-    2.42      33.8 +/-    2.42  0.050 / 0.060
G13     59.5           32.9                8.6 +/-    1.04      14.2 +/-    1.04  0.040 / 0.070
G15     100.2          58.0               12.7 +/-    0.32      14.7 +/-    0.32  0.050 / 0.140
G16     300.5          15.7                7.1 +/-    2.77      17.3 +/-    2.77  0.060 / 0.130
G20     266.3          52.6               14.6 +/-    1.63      17.9 +/-    1.63  0.030 / 0.050
G21     326.1          55.6               11.3 +/-    0.55      13.4 +/-    0.55  0.030 / 0.050
G26     272.0          17.8               11.6 +/-    1.49      26.9 +/-    1.49  0.030 / 0.040
G29     163.5          57.6               14.0 +/-    0.95      16.3 +/-    0.95  0.030 / 0.040