PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-01:12:40
G01     319.1          17.9                7.6 +/-    1.33      17.5 +/-    1.33  0.040 / 0.040
G08     256.2          13.2                8.2 +/-    3.40      21.2 +/-    3.40  0.040 / 0.050
G10     80.0           52.9                9.3 +/-    0.66      11.4 +/-    0.66  0.060 / 0.160
G11     302.4          23.6                6.8 +/-    2.18      13.7 +/-    2.18  0.070 / 0.130
G14     294.4          70.2                8.6 +/-    0.84       9.0 +/-    0.84  0.120 / 0.130
G18     304.1          41.1                8.4 +/-    1.35      12.0 +/-    1.35  0.170 / 0.150
G20     105.3          29.1                9.7 +/-    1.10      17.4 +/-    1.10  0.180 / 0.280
G31     175.2          42.8               11.2 +/-    0.90      15.7 +/-    0.90  0.160 / 0.230
G32     10.4           66.7                7.3 +/-    0.55       7.8 +/-    0.55  0.060 / 0.080