PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/19-23:58:00
G01     313.6          28.6                9.5 +/-    3.80      17.2 +/-    3.80  0.110 / 0.240
G10     95.8           44.6                9.0 +/-    0.51      12.1 +/-    0.51  0.140 / 0.200
G11     293.7          25.5                8.7 +/-    1.36      16.7 +/-    1.36  0.090 / 0.140
G14     323.6          70.4                8.5 +/-    0.76       9.0 +/-    0.76  0.100 / 0.140
G18     291.4          47.6                8.0 +/-    0.95      10.4 +/-    0.95  0.040 / 0.040
G20     114.7          19.9                9.8 +/-    0.90      21.6 +/-    0.90  0.040 / 0.050
G22     306.0          16.9                7.7 +/-    2.85      18.3 +/-    2.85  0.160 / 0.360
G25     92.5           12.8                7.8 +/-    1.86      20.3 +/-    1.86  0.170 / 0.390
G31     170.3          55.3               10.7 +/-    1.92      12.8 +/-    1.92  0.040 / 0.070
G32     25.6           59.2                7.2 +/-    0.61       8.3 +/-    0.61  0.040 / 0.080