PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/17-02:27:30
G08     320.5          11.2               -8.1 +/-   33.77     -22.1 +/-   33.77  0.070 / 0.080
G10     305.9          54.4               10.9 +/-    0.72      13.1 +/-    0.72  0.060 / 0.080
G14     212.2          14.7               21.8 +/-    2.23      54.6 +/-    2.23  0.060 / 0.130
G15     45.8           25.3                7.0 +/-    1.32      13.5 +/-    1.32  0.070 / 0.130
G20     329.3          62.4               11.0 +/-    0.56      12.3 +/-    0.56  0.030 / 0.040
G21     110.6          71.2               11.5 +/-    1.30      12.1 +/-    1.30  0.030 / 0.040
G24     90.1           28.1               10.0 +/-    0.78      18.3 +/-    0.78  0.150 / 0.690
G27     294.1          36.2               11.6 +/-    1.02      18.0 +/-    1.02  0.190 / 0.450
G32     212.9          39.4               16.2 +/-    0.63      23.8 +/-    0.63  0.150 / 0.450