PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/14-16:42:40
G02     292.6          80.2                6.8 +/-    0.99       6.8 +/-    0.99  0.040 / 0.050
G05     167.7          26.5                9.5 +/-    2.51      18.0 +/-    2.51  0.030 / 0.040
G06     40.1           45.6                5.8 +/-    0.81       7.8 +/-    0.81  0.090 / 0.240
G12     318.5          63.8                5.5 +/-    1.54       6.1 +/-    1.54  0.080 / 0.180
G17     78.7           18.2                6.7 +/-    0.82      15.5 +/-    0.82  0.030 / 0.030
G19     69.4           29.5                7.6 +/-    1.31      13.4 +/-    1.31  0.030 / 0.040
G24     234.6          27.2                9.1 +/-    1.84      16.9 +/-    1.84  0.090 / 0.150
G25     317.4          21.8                4.7 +/-    2.91       9.8 +/-    2.91  0.090 / 0.160