PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-23:13:00
G01     319.3          17.5                6.8 +/-    1.03      15.8 +/-    1.03  0.120 / 0.180
G08     256.2          13.5               11.7 +/-    1.40      30.3 +/-    1.40  0.130 / 0.180
G10     79.2           53.1                9.5 +/-    0.56      11.6 +/-    0.56  0.040 / 0.050
G11     302.7          23.5                8.1 +/-    1.79      16.4 +/-    1.79  0.040 / 0.050
G14     294.2          70.4                8.6 +/-    0.68       9.1 +/-    0.68  0.170 / 0.280
G18     304.2          41.3                9.3 +/-    1.16      13.2 +/-    1.16  0.170 / 0.250
G20     104.9          29.5               10.2 +/-    1.38      18.0 +/-    1.38  0.080 / 0.230
G31     176.3          41.2               11.0 +/-    0.81      15.7 +/-    0.81  0.090 / 0.230
G32     8.2            67.4                7.3 +/-    0.78       7.8 +/-    0.78  0.040 / 0.070