PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/07-05:12:40
G01     307.5          32.8                6.9 +/-    0.98      11.3 +/-    0.98  0.040 / 0.060
G10     104.8          41.7                6.6 +/-    0.34       9.3 +/-    0.34  0.030 / 0.060
G11     280.2          29.8                7.7 +/-    2.35      13.6 +/-    2.35  0.040 / 0.050
G14     359.6          66.6                5.8 +/-    0.93       6.3 +/-    0.93  0.040 / 0.050
G18     116.3          16.4                5.9 +/-    2.00      14.2 +/-    2.00  0.060 / 0.100
G22     309.3          25.8                4.1 +/-    2.38       7.9 +/-    2.38  0.070 / 0.120
G25     78.0           15.6                5.2 +/-    0.58      12.8 +/-    0.58  0.070 / 0.140
G31     168.1          63.9                7.6 +/-    0.58       8.4 +/-    0.58  0.080 / 0.130
G32     33.8           54.0                5.2 +/-    0.39       6.3 +/-    0.39  0.090 / 0.190