PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/23-01:12:50
G08     267.8          16.5               12.8 +/-    2.11      30.8 +/-    2.11  0.160 / 0.370
G10     70.1           55.1               10.7 +/-    1.12      12.8 +/-    1.12  0.200 / 0.420
G11     309.5          18.6                7.1 +/-    1.68      16.2 +/-    1.68  0.040 / 0.050
G14     273.0          67.2               10.7 +/-    0.32      11.5 +/-    0.32  0.040 / 0.050
G18     310.1          35.8                8.9 +/-    1.07      14.0 +/-    1.07  0.070 / 0.110
G20     99.7           33.5               10.1 +/-    0.79      16.5 +/-    0.79  0.080 / 0.090
G21     156.0          12.5                9.9 +/-    1.29      26.0 +/-    1.29  0.160 / 0.240
G27     229.1          13.7               12.9 +/-    3.22      33.1 +/-    3.22  0.130 / 0.330
G31     176.1          35.7               11.5 +/-    1.38      18.1 +/-    1.38  0.030 / 0.020
G32     350.7          72.3                9.8 +/-    0.36      10.3 +/-    0.36  0.020 / 0.020