PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-04:58:00
G01     308.5          32.0                4.1 +/-    2.35       7.0 +/-    2.35  0.030 / 0.030
G10     103.4          42.6                4.9 +/-    0.89       6.9 +/-    0.89  0.030 / 0.030
G11     281.7          29.7                6.3 +/-    0.86      11.0 +/-    0.86  0.060 / 0.130
G14     356.8          67.2                3.3 +/-    0.43       3.6 +/-    0.43  0.090 / 0.130
G18     115.4          17.2                5.5 +/-    1.69      13.1 +/-    1.69  0.080 / 0.090
G22     308.8          24.7                5.1 +/-    1.91      10.0 +/-    1.91  0.060 / 0.100
G25     79.4           15.3                4.7 +/-    2.43      11.6 +/-    2.43  0.040 / 0.040
G31     169.3          62.4                6.9 +/-    0.32       7.6 +/-    0.32  0.050 / 0.050
G32     32.2           55.0                3.5 +/-    0.81       4.2 +/-    0.81  0.120 / 0.190