PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-11:57:50
G08     277.7          22.2                5.0 +/-    1.34      10.5 +/-    1.34  0.040 / 0.050
G10     39.5           61.4                4.1 +/-    0.61       4.7 +/-    0.61  0.040 / 0.050
G14     245.5          59.2                6.1 +/-    0.97       6.9 +/-    0.97  0.030 / 0.030
G18     316.1          24.6                3.5 +/-    1.98       6.8 +/-    1.98  0.030 / 0.020
G20     83.2           43.9                4.7 +/-    1.29       6.5 +/-    1.29  0.030 / 0.030
G24     44.4           16.3                3.1 +/-    3.49       7.5 +/-    3.49  0.020 / 0.020
G27     243.3          24.2                6.5 +/-    1.93      12.9 +/-    1.93  0.110 / 0.150
G31     182.2          16.8                3.0 +/-    0.80       7.1 +/-    0.80  0.180 / 0.150
G32     276.2          73.0                5.4 +/-    0.35       5.6 +/-    0.35  0.120 / 0.180