PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/09-05:28:10
G01     319.4          17.1                4.4 +/-    3.39      10.4 +/-    3.39  0.040 / 0.040
G08     258.5          13.6                7.2 +/-    2.27      18.5 +/-    2.27  0.040 / 0.040
G10     78.4           53.6                4.8 +/-    0.87       5.8 +/-    0.87  0.120 / 0.250
G11     303.9          22.6                4.6 +/-    1.70       9.4 +/-    1.70  0.200 / 0.270
G14     287.4          68.7                5.1 +/-    0.58       5.4 +/-    0.58  0.230 / 0.260
G18     305.6          39.4                3.7 +/-    0.93       5.4 +/-    0.93  0.110 / 0.370
G20     100.5          39.3                5.7 +/-    1.10       8.4 +/-    1.10  0.100 / 0.260
G22     300.6          11.0                0.8 +/-    4.96       2.1 +/-    4.96  0.080 / 0.190
G31     174.2          42.9                6.8 +/-    1.36       9.4 +/-    1.36  0.080 / 0.210
G32     10.1           66.9                4.7 +/-    0.49       5.1 +/-    0.49  0.110 / 0.090