PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/06-16:12:20
G05     168.1          28.1                8.7 +/-    1.88      16.0 +/-    1.88  0.080 / 0.220
G06     40.9           42.8                5.9 +/-    0.35       8.1 +/-    0.35  0.090 / 0.190
G12     315.8          71.3                7.1 +/-    0.87       7.5 +/-    0.87  0.050 / 0.110
G17     83.4           12.7                7.4 +/-    2.01      19.4 +/-    2.01  0.050 / 0.110
G19     68.4           33.4                6.6 +/-    0.62      10.9 +/-    0.62  0.040 / 0.060
G24     229.2          24.9                9.8 +/-    1.99      19.3 +/-    1.99  0.030 / 0.050
G25     317.4          26.9                5.9 +/-    2.28      11.0 +/-    2.28  0.030 / 0.040