PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/19-05:12:50
G01     281.7          41.3                7.2 +/-    4.33      10.2 +/-    4.33  0.040 / 0.050
G03     313.6          20.2                5.3 +/-    2.55      11.7 +/-    2.55  0.040 / 0.050
G10     124.4          24.6                6.3 +/-    1.64      12.4 +/-    1.64  0.040 / 0.040
G11     255.8          24.8               11.5 +/-    5.84      22.6 +/-    5.84  0.040 / 0.050
G14     35.6           53.6                7.4 +/-    1.84       9.0 +/-    1.84  0.050 / 0.080
G22     314.5          44.4                7.3 +/-    0.85       9.9 +/-    0.85  0.060 / 0.060
G25     56.2           16.6                5.4 +/-    1.70      13.0 +/-    1.70  0.090 / 0.090
G26     154.5          17.3                8.2 +/-    2.33      19.3 +/-    2.33  0.090 / 0.110
G31     92.1           80.3                9.1 +/-    0.42       9.2 +/-    0.42  0.040 / 0.050
G32     55.8           39.1                7.0 +/-    0.55      10.3 +/-    0.55  0.040 / 0.050