PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-20:57:30
G03     197.0          38.9                9.6 +/-    1.13      14.2 +/-    1.13  0.110 / 0.120
G07     271.5          25.7               10.6 +/-    1.32      20.3 +/-    1.32  0.080 / 0.150
G08     155.6          11.3                5.6 +/-   30.47      15.3 +/-   30.47  0.040 / 0.040
G09     317.4          42.3                8.9 +/-    0.66      12.5 +/-    0.66  0.030 / 0.040
G16     57.9           58.0               10.0 +/-    0.73      11.6 +/-    0.73  0.070 / 0.110
G22     182.4          23.6               10.8 +/-    1.19      21.7 +/-    1.19  0.080 / 0.150
G23     357.6          76.3                9.0 +/-    1.00       9.2 +/-    1.00  0.320 / 0.450
G26     44.3           28.5                7.9 +/-    1.70      14.3 +/-    1.70  0.290 / 0.390
G27     119.1          22.8               11.7 +/-    1.38      24.0 +/-    1.38  0.090 / 0.190