PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/19-00:27:50
G01     301.9          36.2               10.2 +/-    0.67      15.8 +/-    0.67  0.080 / 0.150
G10     111.2          36.9                9.4 +/-    0.73      14.5 +/-    0.73  0.080 / 0.140
G11     274.8          28.7                9.9 +/-    1.17      17.8 +/-    1.17  0.030 / 0.040
G14     10.5           63.6                7.5 +/-    0.74       8.2 +/-    0.74  0.020 / 0.030
G18     120.6          10.0                9.1 +/-    1.46      25.4 +/-    1.46  0.070 / 0.200
G22     311.1          29.2                7.6 +/-    1.64      13.5 +/-    1.64  0.060 / 0.160
G25     74.9           17.5                7.7 +/-    1.08      17.9 +/-    1.08  0.080 / 0.100
G31     170.1          67.9               11.2 +/-    0.51      12.0 +/-    0.51  0.080 / 0.100
G32     38.7           51.1                8.0 +/-    0.35      10.0 +/-    0.35  0.040 / 0.050