PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-20:13:10
G03     207.6          55.3               11.5 +/-    0.79      13.7 +/-    0.79  0.050 / 0.080
G07     258.1          15.9               10.8 +/-    3.36      26.4 +/-    3.36  0.050 / 0.070
G09     310.8          28.3                9.5 +/-    0.97      17.2 +/-    0.97  0.040 / 0.040
G16     93.8           65.2               12.8 +/-    0.75      13.9 +/-    0.75  0.050 / 0.040
G22     187.0          39.6               11.3 +/-    2.09      16.6 +/-    2.09  0.210 / 0.260
G23     332.9          62.1               10.5 +/-    0.82      11.7 +/-    0.82  0.190 / 0.240
G26     52.2           42.0                9.0 +/-    0.85      12.6 +/-    0.85  0.030 / 0.060
G27     132.1          12.0               15.7 +/-    2.16      41.9 +/-    2.16  0.030 / 0.040