PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/09-01:58:10
G01     308.6          32.3                6.9 +/-    0.58      11.6 +/-    0.58  0.100 / 0.110
G10     104.5          40.7                7.9 +/-    0.63      11.3 +/-    0.63  0.070 / 0.110
G11     282.6          28.3                6.1 +/-    0.55      11.0 +/-    0.55  0.040 / 0.040
G14     350.8          67.9                7.1 +/-    0.45       7.6 +/-    0.45  0.040 / 0.040
G18     278.6          50.0                5.9 +/-    1.08       7.4 +/-    1.08  0.110 / 0.170
G20     119.5          15.3                8.2 +/-    1.42      20.3 +/-    1.42  0.070 / 0.130
G22     309.2          24.1                7.2 +/-    0.87      14.3 +/-    0.87  0.080 / 0.130
G25     81.9           15.7                5.7 +/-    2.17      13.8 +/-    2.17  0.090 / 0.090
G31     166.1          64.0                8.9 +/-    0.39       9.7 +/-    0.39  0.080 / 0.170
G32     35.9           52.6                6.0 +/-    1.22       7.3 +/-    1.22  0.090 / 0.160