PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/11-11:12:50
G01     310.4          31.3                6.4 +/-    0.81      11.0 +/-    0.81  0.040 / 0.020
G10     101.8          41.7                6.4 +/-    0.68       9.1 +/-    0.68  0.040 / 0.030
G11     285.2          27.9                2.9 +/-    1.55       5.3 +/-    1.55  0.130 / 0.090
G14     349.3          68.7                5.8 +/-    1.09       6.2 +/-    1.09  0.110 / 0.100
G18     280.9          50.5                5.0 +/-    0.81       6.2 +/-    0.81  0.050 / 0.040
G20     118.0          16.9                5.6 +/-    2.16      13.3 +/-    2.16  0.040 / 0.040
G22     309.7          27.4                3.0 +/-    2.29       5.6 +/-    2.29  0.030 / 0.050
G25     85.3           14.8                4.3 +/-    2.93      10.7 +/-    2.93  0.040 / 0.050
G31     171.1          59.4                9.1 +/-    0.44      10.4 +/-    0.44  0.070 / 0.150
G32     23.7           59.7                5.8 +/-    1.05       6.6 +/-    1.05  0.090 / 0.110