PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/17-02:12:40
G10     295.7          51.2               12.5 +/-    0.74      15.6 +/-    0.74  0.070 / 0.090
G15     46.7           31.4                7.8 +/-    0.98      13.2 +/-    0.98  0.070 / 0.090
G20     315.9          60.0               10.1 +/-    0.82      11.4 +/-    0.82  0.100 / 0.140
G21     90.0           75.6               11.9 +/-    0.45      12.3 +/-    0.45  0.110 / 0.120
G24     97.5           25.9               11.4 +/-    1.26      21.8 +/-    1.26  0.050 / 0.040
G27     301.7          33.7               12.0 +/-    1.41      19.6 +/-    1.41  0.050 / 0.040
G32     209.7          32.6               16.3 +/-    0.77      27.1 +/-    0.77  0.060 / 0.080