PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-04:13:10
G03     246.1          68.6                6.1 +/-    1.23       6.5 +/-    1.23  0.040 / 0.040
G09     304.7          22.5                5.0 +/-    2.25      10.3 +/-    2.25  0.040 / 0.040
G14     98.5           15.7                3.8 +/-    2.21       9.2 +/-    2.21  0.040 / 0.060
G16     125.6          58.3                7.6 +/-    0.50       8.8 +/-    0.50  0.040 / 0.060
G22     197.8          57.3                6.3 +/-    0.69       7.3 +/-    0.69  0.040 / 0.040
G23     317.5          47.2                5.6 +/-    0.75       7.3 +/-    0.75  0.050 / 0.050
G26     70.2           51.6                5.0 +/-    0.45       6.1 +/-    0.45  0.110 / 0.300
G31     51.8           20.2                3.4 +/-    3.55       7.5 +/-    3.55  0.100 / 0.290