PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/06-14:13:00
G01     41.3           16.9                7.1 +/-    2.93      16.9 +/-    2.93  0.040 / 0.060
G06     174.2          37.1                8.4 +/-    1.14      12.8 +/-    1.14  0.040 / 0.070
G13     238.1          23.9                8.3 +/-    1.60      16.6 +/-    1.60  0.310 / 0.280
G15     273.0          12.7                4.8 +/-    1.60      12.6 +/-    1.60  0.260 / 0.310
G17     343.6          74.1                6.9 +/-    0.64       7.1 +/-    0.64  0.020 / 0.030
G19     273.4          69.5                6.6 +/-    0.86       7.0 +/-    0.86  0.030 / 0.020
G24     317.2          16.8                5.3 +/-    2.13      12.7 +/-    2.13  0.040 / 0.030
G28     61.6           52.4                6.8 +/-    0.98       8.3 +/-    0.98  0.040 / 0.050
G30     154.0          29.4                9.1 +/-    1.52      16.1 +/-    1.52  0.080 / 0.240