PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/10-14:42:50
G07     332.8          57.9                7.9 +/-    0.51       9.1 +/-    0.51  0.070 / 0.110
G08     100.5          52.2               11.2 +/-    0.25      13.8 +/-    0.25  0.070 / 0.100
G09     189.3          72.9                9.6 +/-    0.92      10.0 +/-    0.92  0.030 / 0.050
G11     145.9          13.3               10.1 +/-    2.90      26.2 +/-    2.90  0.030 / 0.050
G23     154.6          38.3               13.3 +/-    0.62      20.0 +/-    0.62  0.030 / 0.060
G27     54.7           31.5                9.0 +/-    1.20      15.3 +/-    1.20  0.030 / 0.060
G28     237.6          29.8                9.3 +/-    2.07      16.4 +/-    2.07  0.040 / 0.090
G30     302.3          35.3                9.4 +/-    0.73      14.8 +/-    0.73  0.040 / 0.080