PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/03-18:58:00
G02     358.5          74.4                8.6 +/-    0.38       8.9 +/-    0.38  0.050 / 0.080
G05     161.0          40.8               13.3 +/-    0.71      19.0 +/-    0.71  0.030 / 0.080
G06     44.4           31.6                8.2 +/-    1.25      14.0 +/-    1.25  0.030 / 0.030
G12     275.5          81.2                7.7 +/-    0.79       7.8 +/-    0.79  0.030 / 0.030
G19     80.2           25.5               12.3 +/-    1.11      23.8 +/-    1.11  0.060 / 0.110
G24     221.4          17.0               11.0 +/-    2.01      26.0 +/-    2.01  0.060 / 0.110
G25     315.2          36.3                7.0 +/-    2.54      10.8 +/-    2.54  0.030 / 0.030
G29     291.0          12.1               12.3 +/-    1.70      32.7 +/-    1.70  0.030 / 0.040