PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/06-10:42:50
G01     270.9          41.8                4.3 +/-    1.02       6.1 +/-    1.02  0.050 / 0.050
G03     316.3          33.0                3.1 +/-    3.71       5.0 +/-    3.71  0.040 / 0.050
G10     129.1          16.4                5.0 +/-    1.79      12.0 +/-    1.79  0.070 / 0.180
G11     250.3          19.8                4.5 +/-    1.47      10.0 +/-    1.47  0.060 / 0.130
G14     42.8           50.2                2.1 +/-    0.37       2.6 +/-    0.37  0.050 / 0.090
G18     232.5          39.3                5.6 +/-    0.98       8.2 +/-    0.98  0.060 / 0.090
G22     314.5          54.9                3.2 +/-    1.21       3.8 +/-    1.21  0.050 / 0.080
G25     53.1           16.5                1.5 +/-    0.76       3.7 +/-    0.76  0.040 / 0.070
G31     58.8           74.7                2.6 +/-    0.36       2.7 +/-    0.36  0.090 / 0.210
G32     60.6           36.6                2.5 +/-    1.06       3.8 +/-    1.06  0.120 / 0.220