PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/11-02:42:40
G08     305.5          20.0                4.8 +/-    1.16      10.7 +/-    1.16  0.070 / 0.080
G10     349.9          62.0                7.4 +/-    0.53       8.3 +/-    0.53  0.140 / 0.070
G14     221.9          37.1               10.0 +/-    1.16      15.3 +/-    1.16  0.030 / 0.030
G20     50.1           57.4                8.1 +/-    0.82       9.5 +/-    0.82  0.030 / 0.030
G21     140.8          50.6                8.6 +/-    0.41      10.8 +/-    0.41  0.040 / 0.070
G24     66.2           29.1                5.1 +/-    1.21       9.2 +/-    1.21  0.040 / 0.060
G27     266.5          36.0                8.8 +/-    0.84      13.7 +/-    0.84  0.090 / 0.110
G32     229.8          57.7                7.7 +/-    2.28       9.0 +/-    2.28  0.080 / 0.140