PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-22:27:50
G01     312.2          30.2                9.8 +/-    1.12      17.0 +/-    1.12  0.130 / 0.190
G10     98.0           43.3               11.3 +/-    0.67      15.6 +/-    0.67  0.110 / 0.190
G11     292.3          25.6               10.3 +/-    1.19      19.9 +/-    1.19  0.050 / 0.040
G14     326.5          70.1               10.5 +/-    0.53      11.1 +/-    0.53  0.040 / 0.050
G20     116.1          18.0               11.4 +/-    1.46      26.5 +/-    1.46  0.210 / 0.350
G22     306.8          18.2                8.8 +/-    1.76      20.3 +/-    1.76  0.180 / 0.320
G25     90.5           13.6               11.0 +/-    1.60      28.2 +/-    1.60  0.100 / 0.130
G31     169.8          57.1                3.3 +/-    0.50       3.8 +/-    0.50  0.100 / 0.140
G32     28.6           57.4                9.5 +/-    1.02      11.0 +/-    1.02  0.030 / 0.040