PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/05-07:57:50
G08     312.8          16.4                4.8 +/-    2.61      11.6 +/-    2.61  0.110 / 0.260
G10     330.1          59.7                3.0 +/-    0.44       3.4 +/-    0.44  0.090 / 0.230
G14     218.1          25.9                6.1 +/-    1.98      11.6 +/-    1.98  0.050 / 0.080
G15     46.7           11.0                2.8 +/-    1.96       7.7 +/-    1.96  0.050 / 0.070
G20     68.1           39.6                4.3 +/-    0.94       6.3 +/-    0.94  0.040 / 0.070
G21     133.5          58.0                6.5 +/-    0.96       7.5 +/-    0.96  0.040 / 0.080
G24     74.8           30.0                5.4 +/-    0.87       9.4 +/-    0.87  0.050 / 0.100
G27     275.3          37.5                6.9 +/-    0.65      10.5 +/-    0.65  0.050 / 0.090
G32     222.6          53.3                7.5 +/-    1.63       9.1 +/-    1.63  0.030 / 0.030