PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/14-16:28:10
G02     258.9          77.7                8.3 +/-    0.25       8.4 +/-    0.25  0.300 / 0.260
G05     170.1          20.6                8.1 +/-    1.88      17.6 +/-    1.88  0.400 / 0.490
G06     39.7           51.8                8.3 +/-    0.71      10.2 +/-    0.71  0.080 / 0.100
G12     320.8          57.2                7.5 +/-    0.94       8.7 +/-    0.94  0.070 / 0.080
G17     73.4           21.9                6.9 +/-    1.37      14.4 +/-    1.37  0.120 / 0.100
G19     63.4           33.4                8.5 +/-    1.34      14.0 +/-    1.34  0.100 / 0.130
G24     240.3          31.2                7.6 +/-    1.32      12.9 +/-    1.32  0.060 / 0.150
G25     317.1          16.2                5.9 +/-    3.17      14.2 +/-    3.17  0.060 / 0.130