PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/19-22:27:50
G08     289.3          22.2                9.8 +/-    2.25      20.5 +/-    2.25  0.060 / 0.120
G10     25.8           62.2               10.1 +/-    1.17      11.3 +/-    1.17  0.070 / 0.150
G14     234.9          49.6               11.0 +/-    1.91      13.9 +/-    1.91  0.070 / 0.090
G18     317.9          15.9                6.6 +/-    3.17      16.2 +/-    3.17  0.090 / 0.080
G20     75.4           47.5                9.5 +/-    1.25      12.3 +/-    1.25  0.150 / 0.340
G21     150.0          34.8               11.1 +/-    1.30      17.7 +/-    1.30  0.330 / 0.370
G24     51.5           23.2                7.9 +/-    3.00      16.1 +/-    3.00  0.030 / 0.030
G27     247.8          28.6               11.2 +/-    1.44      20.3 +/-    1.44  0.030 / 0.020
G31     181.5          13.0               16.4 +/-    3.17      42.8 +/-    3.17  0.100 / 0.130
G32     262.3          73.2               10.3 +/-    0.46      10.7 +/-    0.46  0.090 / 0.110