PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/20-01:27:50
G01     265.7          41.8                7.0 +/-    1.47       9.8 +/-    1.47  0.050 / 0.060
G03     316.1          30.2                7.2 +/-    1.07      12.6 +/-    1.07  0.050 / 0.070
G10     130.5          13.6                8.3 +/-    1.57      21.4 +/-    1.57  0.070 / 0.100
G11     250.5          18.3                9.6 +/-    1.30      22.1 +/-    1.30  0.090 / 0.090
G14     42.4           51.0                4.8 +/-    0.42       5.9 +/-    0.42  0.080 / 0.090
G18     231.2          37.6                8.9 +/-    0.92      13.5 +/-    0.92  0.050 / 0.050
G22     313.8          51.8                6.6 +/-    0.94       8.1 +/-    0.94  0.120 / 0.300
G25     51.9           16.3                3.0 +/-    1.84       7.1 +/-    1.84  0.100 / 0.380
G31     52.2           70.5                6.1 +/-    0.38       6.4 +/-    0.38  0.060 / 0.120
G32     65.7           30.9                5.1 +/-    0.83       8.7 +/-    0.83  0.060 / 0.110