PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/28-16:12:30
G02     234.2          70.6                9.4 +/-    0.75       9.9 +/-    0.75  0.200 / 0.260
G05     173.2          13.7               10.7 +/-    2.69      27.3 +/-    2.69  0.170 / 0.210
G06     41.6           58.1               10.3 +/-    0.66      11.9 +/-    0.66  0.100 / 0.090
G12     323.1          55.1                8.5 +/-    0.45      10.1 +/-    0.45  0.100 / 0.080
G17     70.1           21.9                7.9 +/-    1.08      16.5 +/-    1.08  0.040 / 0.040
G19     51.6           43.1                9.3 +/-    1.19      12.9 +/-    1.19  0.040 / 0.040
G24     245.3          35.9               10.8 +/-    2.13      16.8 +/-    2.13  0.340 / 0.340
G25     316.2          11.4               -2.7 +/-   34.96      -7.4 +/-   34.96  0.180 / 0.350