PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-15:43:00
G07     15.8           68.2               12.2 +/-    0.77      13.0 +/-    0.77  0.050 / 0.060
G08     64.0           49.0               11.2 +/-    0.50      14.4 +/-    0.50  0.060 / 0.040
G09     179.3          48.8               13.7 +/-    0.87      17.6 +/-    0.87  0.030 / 0.030
G11     130.3          27.6               11.2 +/-    1.20      20.6 +/-    1.20  0.040 / 0.040
G18     114.5          10.4                4.9 +/-   23.22      13.6 +/-   23.22  0.040 / 0.050
G23     159.0          16.2               10.7 +/-    1.31      25.7 +/-    1.31  0.040 / 0.050
G27     40.3           16.7                9.4 +/-    1.86      22.5 +/-    1.86  0.190 / 0.370
G28     259.5          45.8               14.0 +/-    2.37      18.6 +/-    2.37  0.300 / 0.390
G30     320.8          51.1               11.3 +/-    0.56      14.1 +/-    0.56  0.160 / 0.240