PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/09-05:27:50
G03     188.5          13.8                5.5 +/-    3.94      14.0 +/-    3.94  0.170 / 0.290
G07     300.6          43.7                6.3 +/-    0.78       8.6 +/-    0.78  0.130 / 0.280
G08     131.4          36.4                8.0 +/-    1.31      12.3 +/-    1.31  0.040 / 0.060
G09     315.7          79.5                6.8 +/-    0.41       6.9 +/-    0.41  0.060 / 0.050
G16     41.8           28.9                1.2 +/-    1.18       2.2 +/-    1.18  0.050 / 0.070
G23     137.2          72.2                6.2 +/-    1.06       6.4 +/-    1.06  0.100 / 0.060
G27     89.7           36.9                6.9 +/-    0.48      10.6 +/-    0.48  0.030 / 0.050
G30     280.2          16.8                6.8 +/-    2.99      16.2 +/-    2.99  0.030 / 0.040