PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/10-22:57:40
G10     276.5          44.4                8.2 +/-    0.95      11.1 +/-    0.95  0.090 / 0.120
G13     38.5           11.1                5.8 +/-   10.59      15.7 +/-   10.59  0.120 / 0.160
G15     52.4           42.6                7.9 +/-    0.74      11.1 +/-    0.74  0.040 / 0.040
G20     314.0          63.1                7.4 +/-    0.62       8.2 +/-    0.62  0.050 / 0.040
G21     23.8           75.5                9.0 +/-    0.42       9.3 +/-    0.42  0.200 / 0.370
G24     114.9          18.6                9.4 +/-    1.89      21.4 +/-    1.89  0.110 / 0.390
G27     315.0          24.2                7.2 +/-    1.58      14.3 +/-    1.58  0.040 / 0.070
G29     167.7          23.2                9.2 +/-    1.31      18.8 +/-    1.31  0.040 / 0.050
G32     205.4          15.6               11.0 +/-    1.45      27.0 +/-    1.45  0.270 / 0.230