PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/06-10:28:00
G01     115.6          20.4                5.8 +/-    1.80      12.6 +/-    1.80  0.030 / 0.030
G07     91.0           63.9                6.0 +/-    1.09       6.6 +/-    1.09  0.040 / 0.020
G08     43.1           26.5               -2.4 +/-   11.13      -4.6 +/-   11.13  0.110 / 0.220
G09     173.6          18.4                6.4 +/-    1.16      14.6 +/-    1.16  0.090 / 0.170
G11     99.9           41.3                7.2 +/-    0.65      10.2 +/-    0.65  0.070 / 0.200
G13     315.5          22.8               -2.7 +/-    8.84      -5.6 +/-    8.84  0.160 / 0.210
G17     202.2          29.9                4.5 +/-    3.05       7.9 +/-    3.05  0.030 / 0.030
G18     88.8           22.1                4.7 +/-    1.83       9.7 +/-    1.83  0.030 / 0.030
G28     298.8          58.4               -5.8 +/-   10.32      -6.7 +/-   10.32  0.120 / 0.200
G30     350.5          71.0                5.2 +/-    0.75       5.4 +/-    0.75  0.120 / 0.160