PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-06:12:50
G07     39.7           69.2                5.2 +/-    0.96       5.5 +/-    0.96  0.050 / 0.080
G08     54.3           42.5                4.9 +/-    0.91       6.8 +/-    0.91  0.060 / 0.070
G09     178.5          41.5                7.6 +/-    1.45      10.7 +/-    1.45  0.030 / 0.040
G11     123.0          31.4                6.4 +/-    1.57      10.8 +/-    1.57  0.020 / 0.030
G17     199.0          11.5                1.3 +/-   13.89       3.4 +/-   13.89  0.050 / 0.050
G23     161.0          13.7                5.8 +/-    1.50      14.9 +/-    1.50  0.060 / 0.040
G27     37.8           10.4                2.9 +/-    2.46       8.1 +/-    2.46  0.270 / 0.340
G28     269.4          50.5                4.4 +/-    0.76       5.5 +/-    0.76  0.240 / 0.250
G30     327.9          56.4                3.8 +/-    0.85       4.5 +/-    0.85  0.090 / 0.070