PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-13:27:50
G01     310.5          31.1                5.6 +/-    1.36       9.6 +/-    1.36  0.080 / 0.120
G10     101.7          41.9                5.6 +/-    0.58       8.0 +/-    0.58  0.110 / 0.110
G11     285.0          28.1                2.5 +/-    1.81       4.5 +/-    1.81  0.040 / 0.020
G14     349.7          68.6                4.2 +/-    1.07       4.5 +/-    1.07  0.040 / 0.020
G18     279.8          50.9                9.4 +/-    1.15      11.7 +/-    1.15  0.040 / 0.050
G20     118.0          16.9                6.8 +/-    1.38      16.1 +/-    1.38  0.040 / 0.040
G22     309.1          25.4                4.2 +/-    1.34       8.2 +/-    1.34  0.060 / 0.050
G25     84.2           14.7                7.4 +/-    3.26      18.4 +/-    3.26  0.050 / 0.050
G31     173.2          58.2                6.7 +/-    0.63       7.7 +/-    0.63  0.090 / 0.130
G32     26.0           58.6                5.0 +/-    0.92       5.7 +/-    0.92  0.100 / 0.120