PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-15:12:30
G07     349.4          63.2                7.9 +/-    0.95       8.7 +/-    0.95  0.080 / 0.100
G08     82.7           53.0                9.7 +/-    0.78      11.8 +/-    0.78  0.080 / 0.090
G09     182.1          61.9               11.1 +/-    1.32      12.4 +/-    1.32  0.040 / 0.030
G11     139.3          19.8               12.5 +/-    1.39      27.7 +/-    1.39  0.040 / 0.040
G23     157.3          27.9               10.7 +/-    1.58      19.6 +/-    1.58  0.030 / 0.050
G27     46.6           25.4                9.8 +/-    0.66      19.0 +/-    0.66  0.040 / 0.050
G28     246.5          37.5               10.9 +/-    0.94      16.6 +/-    0.94  0.050 / 0.130
G30     310.5          42.3                7.5 +/-    1.15      10.5 +/-    1.15  0.070 / 0.150