PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/17-02:58:10
G08     310.4          18.6                8.7 +/-    1.66      19.9 +/-    1.66  0.050 / 0.070
G10     330.3          59.7                9.7 +/-    1.11      11.0 +/-    1.11  0.050 / 0.070
G14     217.8          27.6               14.5 +/-    3.34      26.8 +/-    3.34  0.030 / 0.040
G15     46.7           13.3                4.9 +/-    1.68      12.8 +/-    1.68  0.040 / 0.050
G20     1.0            65.1                9.5 +/-    0.82      10.4 +/-    0.82  0.190 / 0.160
G21     133.3          58.9               11.7 +/-    0.60      13.4 +/-    0.60  0.090 / 0.270
G24     73.8           29.6                7.6 +/-    0.83      13.5 +/-    0.83  0.080 / 0.080
G27     276.2          37.5               11.3 +/-    1.28      17.1 +/-    1.28  0.080 / 0.100
G32     222.4          53.4               13.0 +/-    1.45      15.7 +/-    1.45  0.110 / 0.170