PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/07-03:43:10
G08     309.2          19.0                7.2 +/-    1.02      16.1 +/-    1.02  0.070 / 0.080
G10     333.8          60.3                6.3 +/-    0.74       7.1 +/-    0.74  0.050 / 0.100
G14     218.8          29.0               12.2 +/-    1.67      21.9 +/-    1.67  0.110 / 0.180
G15     47.0           11.5                5.4 +/-    0.68      14.5 +/-    0.68  0.110 / 0.190
G20     20.1           64.2               13.6 +/-    0.98      15.0 +/-    0.98  0.070 / 0.100
G21     135.2          57.1                9.8 +/-    1.27      11.4 +/-    1.27  0.070 / 0.080
G24     71.8           29.5                7.4 +/-    0.78      13.0 +/-    0.78  0.040 / 0.060
G27     273.6          37.2               10.2 +/-    0.85      15.5 +/-    0.85  0.040 / 0.050
G32     224.1          55.2               11.7 +/-    0.94      13.9 +/-    0.94  0.030 / 0.040