PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/16-14:42:30
G02     204.9          34.7                9.1 +/-    1.16      14.6 +/-    1.16  0.030 / 0.040
G06     151.9          72.0                9.1 +/-    0.89       9.6 +/-    0.89  0.040 / 0.050
G12     308.2          16.9                6.2 +/-    2.01      14.7 +/-    2.01  0.080 / 0.110
G17     34.7           50.2                8.0 +/-    0.86      10.1 +/-    0.86  0.090 / 0.110
G19     9.8            62.9                8.5 +/-    0.55       9.4 +/-    0.55  0.040 / 0.020
G24     295.5          38.5                7.3 +/-    1.64      11.0 +/-    1.64  0.040 / 0.020
G28     101.6          35.2               10.0 +/-    0.84      15.8 +/-    0.84  0.080 / 0.120