PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/01-00:27:50
G08     270.9          17.9                7.7 +/-    2.04      17.9 +/-    2.04  0.220 / 0.370
G10     63.8           56.8                9.0 +/-    0.72      10.5 +/-    0.72  0.180 / 0.420
G14     264.0          64.9                8.8 +/-    0.60       9.6 +/-    0.60  0.050 / 0.050
G18     312.4          32.7                7.0 +/-    1.37      11.6 +/-    1.37  0.040 / 0.060
G20     96.3           35.8                8.2 +/-    0.83      12.9 +/-    0.83  0.090 / 0.250
G21     155.4          16.0                9.9 +/-    2.19      24.0 +/-    2.19  0.080 / 0.140
G24     40.2           10.4                6.0 +/-    2.60      16.5 +/-    2.60  0.030 / 0.020
G27     231.7          16.1                9.4 +/-    2.82      22.8 +/-    2.82  0.040 / 0.020
G31     177.0          31.8               12.0 +/-    1.44      20.2 +/-    1.44  0.140 / 0.220
G32     340.0          74.2                7.9 +/-    0.27       8.1 +/-    0.27  0.150 / 0.280