PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-07:43:00
G01     318.3          19.8                4.7 +/-    2.65      10.4 +/-    2.65  0.110 / 0.330
G08     257.0          12.0                4.1 +/-   13.46      10.9 +/-   13.46  0.100 / 0.350
G10     83.3           51.9                4.2 +/-    1.00       5.2 +/-    1.00  0.180 / 0.300
G11     301.5          23.6                3.5 +/-    1.44       7.0 +/-    1.44  0.170 / 0.310
G14     293.7          68.9                3.8 +/-    0.91       4.0 +/-    0.91  0.040 / 0.060
G18     302.8          41.4                3.9 +/-    1.65       5.5 +/-    1.65  0.040 / 0.050
G20     109.4          20.4                4.4 +/-    1.03       9.7 +/-    1.03  0.270 / 0.430
G22     302.6          14.7                1.9 +/-    1.00       4.7 +/-    1.00  0.170 / 0.430
G31     173.2          46.6                4.1 +/-    1.12       5.3 +/-    1.12  0.030 / 0.040
G32     15.6           64.5                2.9 +/-    0.65       3.1 +/-    0.65  0.030 / 0.040