PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/30-16:57:40
G03     205.6          54.4               10.0 +/-    0.78      11.9 +/-    0.78  0.030 / 0.040
G07     258.2          15.8               10.2 +/-    2.13      24.9 +/-    2.13  0.020 / 0.050
G09     310.9          28.6               10.4 +/-    0.88      18.7 +/-    0.88  0.070 / 0.200
G16     89.5           64.3               12.4 +/-    0.71      13.6 +/-    0.71  0.110 / 0.250
G22     184.8          37.4                9.0 +/-    0.81      13.7 +/-    0.81  0.040 / 0.080
G23     336.3          64.1               10.8 +/-    1.04      11.9 +/-    1.04  0.080 / 0.080
G26     51.5           40.8               10.6 +/-    0.58      15.2 +/-    0.58  0.040 / 0.040
G27     132.3          12.0               13.5 +/-    2.10      36.1 +/-    2.10  0.040 / 0.040