PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-05:28:10
G01     221.5          13.7                5.4 +/-    2.09      13.8 +/-    2.09  0.120 / 0.260
G03     275.2          69.8                3.9 +/-    0.69       4.1 +/-    0.69  0.110 / 0.280
G09     296.5          10.3              -16.7 +/-   15.70     -46.2 +/-   15.70  0.040 / 0.040
G14     89.5           22.7                2.4 +/-    1.30       4.9 +/-    1.30  0.050 / 0.040
G16     140.6          49.2                5.3 +/-    0.86       6.7 +/-    0.86  0.040 / 0.060
G22     210.6          66.8                4.5 +/-    1.11       4.9 +/-    1.11  0.030 / 0.050
G23     312.8          43.4                3.6 +/-    0.99       5.0 +/-    0.99  0.220 / 0.390
G26     88.3           54.2                4.6 +/-    0.85       5.6 +/-    0.85  0.130 / 0.340
G31     47.7           26.7               -2.9 +/-    1.86      -5.5 +/-    1.86  0.050 / 0.070