PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-21:27:50
G01     305.6          34.6                8.3 +/-    0.92      13.2 +/-    0.92  0.080 / 0.100
G10     108.0          38.0               10.8 +/-    1.22      16.3 +/-    1.22  0.080 / 0.100
G11     278.1          28.3                9.3 +/-    1.40      16.9 +/-    1.40  0.030 / 0.040
G14     1.7            66.0                9.0 +/-    0.42       9.7 +/-    0.42  0.040 / 0.040
G18     270.5          51.1               12.7 +/-    4.07      15.9 +/-    4.07  0.090 / 0.200
G20     121.6          12.6                9.3 +/-    2.17      24.3 +/-    2.17  0.090 / 0.200
G22     310.3          26.5                8.9 +/-    1.74      16.8 +/-    1.74  0.090 / 0.140
G25     75.7           15.9                7.8 +/-    1.87      18.9 +/-    1.87  0.100 / 0.150
G31     168.6          65.5               11.1 +/-    0.53      12.1 +/-    0.53  0.050 / 0.060
G32     38.0           51.2                8.9 +/-    1.35      11.0 +/-    1.35  0.040 / 0.060