PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/15-01:58:00
G01     259.9          40.3                8.6 +/-    1.75      12.5 +/-    1.75  0.050 / 0.050
G03     316.6          34.2                6.3 +/-    1.65      10.1 +/-    1.65  0.040 / 0.050
G10     132.8          10.1                6.5 +/-    5.31      18.0 +/-    5.31  0.060 / 0.090
G11     246.5          16.1                5.6 +/-    1.45      13.6 +/-    1.45  0.060 / 0.060
G14     47.6           48.3                5.1 +/-    1.69       6.6 +/-    1.69  0.040 / 0.060
G18     227.2          34.3                7.9 +/-    1.32      12.8 +/-    1.32  0.040 / 0.070
G22     312.3          56.0                4.6 +/-    1.46       5.5 +/-    1.46  0.080 / 0.260
G25     48.1           14.8                3.5 +/-    0.83       8.6 +/-    0.83  0.090 / 0.230
G31     46.8           66.2               -6.2 +/-    0.82      -6.7 +/-    0.82  0.070 / 0.120
G32     69.3           28.3                4.0 +/-    0.80       7.2 +/-    0.80  0.050 / 0.120