PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-15:28:00
G07     344.8          61.9               12.5 +/-    0.82      14.0 +/-    0.82  0.040 / 0.060
G08     87.6           53.3               11.7 +/-    0.72      14.2 +/-    0.72  0.040 / 0.040
G09     183.5          64.8               14.6 +/-    1.06      16.0 +/-    1.06  0.040 / 0.050
G11     141.1          18.1               15.5 +/-    1.73      35.8 +/-    1.73  0.040 / 0.040
G23     156.6          30.2               13.2 +/-    1.92      22.9 +/-    1.92  0.060 / 0.130
G27     48.3           27.0               10.2 +/-    2.38      19.0 +/-    2.38  0.040 / 0.110
G28     244.1          35.7               14.8 +/-    1.35      23.2 +/-    1.35  0.070 / 0.110
G30     308.5          40.6               11.6 +/-    1.19      16.7 +/-    1.19  0.070 / 0.090