PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-02:42:40
G03     202.6          44.3                6.8 +/-    0.93       9.3 +/-    0.93  0.060 / 0.130
G07     269.4          24.9                5.0 +/-    2.37       9.8 +/-    2.37  0.090 / 0.140
G08     155.0          10.3              -12.5 +/-   26.90     -34.7 +/-   26.90  0.120 / 0.180
G09     316.8          40.9                3.0 +/-    0.94       4.2 +/-    0.94  0.120 / 0.180
G16     69.0           64.4                5.0 +/-    0.41       5.5 +/-    0.41  0.040 / 0.040
G22     184.6          28.0                5.9 +/-    2.12      10.7 +/-    2.12  0.030 / 0.030
G23     344.7          71.7                3.1 +/-    0.48       3.2 +/-    0.48  0.160 / 0.410
G26     46.2           34.7                4.3 +/-    1.25       6.8 +/-    1.25  0.190 / 0.470
G27     121.4          20.9                7.9 +/-    0.91      17.1 +/-    0.91  0.090 / 0.190