PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/10-17:57:40
G02     214.5          56.7                9.7 +/-    0.80      11.4 +/-    0.80  0.100 / 0.210
G06     65.3           76.3                8.4 +/-    0.32       8.7 +/-    0.32  0.100 / 0.260
G12     316.8          32.2                8.0 +/-    2.39      13.5 +/-    2.39  0.040 / 0.070
G17     53.4           35.9                7.5 +/-    2.20      11.7 +/-    2.20  0.040 / 0.050
G19     37.5           49.7                8.0 +/-    0.86      10.2 +/-    0.86  0.090 / 0.090
G24     268.9          41.7                9.6 +/-    2.53      13.5 +/-    2.53  0.120 / 0.100
G28     119.1          20.7                7.1 +/-    1.51      15.3 +/-    1.51  0.040 / 0.070