PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-14:42:40
G07     327.4          55.8                8.4 +/-    0.47       9.9 +/-    0.47  0.040 / 0.050
G08     107.0          51.0               10.6 +/-    0.36      13.2 +/-    0.36  0.030 / 0.050
G09     196.0          76.8                8.4 +/-    0.51       8.6 +/-    0.51  0.040 / 0.040
G11     148.3          11.0                8.4 +/-   15.78      23.0 +/-   15.78  0.040 / 0.040
G23     153.2          42.2                9.8 +/-    0.78      13.8 +/-    0.78  0.110 / 0.110
G27     58.4           33.3                8.1 +/-    1.28      13.2 +/-    1.28  0.080 / 0.110
G28     234.7          26.8                9.0 +/-    1.92      16.9 +/-    1.92  0.050 / 0.070
G30     299.3          32.9                6.8 +/-    2.13      11.3 +/-    2.13  0.040 / 0.060