PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/15-23:58:00
G01     317.4          22.7                5.8 +/-    1.31      11.9 +/-    1.31  0.150 / 0.420
G08     257.1          11.7               10.7 +/-    2.71      28.8 +/-    2.71  0.140 / 0.410
G10     86.2           49.3                9.6 +/-    1.09      12.2 +/-    1.09  0.080 / 0.220
G11     301.0          23.2                8.1 +/-    1.80      16.5 +/-    1.80  0.080 / 0.190
G14     300.8          70.3               10.5 +/-    0.59      11.1 +/-    0.59  0.040 / 0.060
G18     300.8          43.5                9.8 +/-    1.46      13.5 +/-    1.46  0.040 / 0.050
G20     109.0          25.4               10.6 +/-    1.31      20.6 +/-    1.31  0.210 / 0.380
G22     302.6          11.5                6.7 +/-    9.15      18.2 +/-    9.15  0.200 / 0.410
G31     173.3          47.1               12.1 +/-    1.75      15.8 +/-    1.75  0.040 / 0.080
G32     14.8           64.8                7.1 +/-    0.58       7.7 +/-    0.58  0.040 / 0.080