PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/26-20:57:40
G01     319.3          18.6                8.8 +/-    2.24      20.1 +/-    2.24  0.040 / 0.050
G08     260.0          14.4               11.4 +/-    2.77      28.8 +/-    2.77  0.050 / 0.050
G10     78.3           52.3               10.6 +/-    0.71      13.0 +/-    0.71  0.150 / 0.340
G11     306.8          20.0                7.7 +/-    1.68      17.0 +/-    1.68  0.120 / 0.420
G14     281.2          67.7                8.5 +/-    0.57       9.1 +/-    0.57  0.130 / 0.190
G20     104.9          28.3               11.3 +/-    1.77      20.5 +/-    1.77  0.120 / 0.210
G31     175.6          40.4               12.1 +/-    1.56      17.5 +/-    1.56  0.050 / 0.040
G32     6.8            68.3                8.2 +/-    0.40       8.8 +/-    0.40  0.040 / 0.040