PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-14:58:00
G07     337.5          59.6                8.6 +/-    0.58       9.8 +/-    0.58  0.030 / 0.050
G08     95.1           52.9                8.9 +/-    0.56      10.8 +/-    0.56  0.040 / 0.040
G09     186.1          69.5                9.8 +/-    0.60      10.4 +/-    0.60  0.040 / 0.040
G11     143.9          15.3               12.9 +/-    2.17      31.8 +/-    2.17  0.030 / 0.030
G23     155.6          35.0               10.6 +/-    0.97      16.8 +/-    0.97  0.070 / 0.110
G27     51.9           29.7                9.0 +/-    0.98      15.8 +/-    0.98  0.080 / 0.100
G28     240.2          32.3                9.5 +/-    2.61      15.9 +/-    2.61  0.070 / 0.080
G30     304.8          37.5                8.6 +/-    2.13      13.1 +/-    2.13  0.050 / 0.090