PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-15:27:20
G02     210.4          50.2               10.2 +/-    0.68      12.8 +/-    0.68  0.050 / 0.090
G06     97.3           79.8               10.0 +/-    0.45      10.1 +/-    0.45  0.080 / 0.080
G12     315.8          28.7                8.8 +/-    1.12      15.8 +/-    1.12  0.070 / 0.060
G17     52.7           35.3                9.3 +/-    1.03      14.7 +/-    1.03  0.060 / 0.060
G19     32.3           53.0               10.1 +/-    0.82      12.2 +/-    0.82  0.050 / 0.070
G24     279.1          41.9                9.5 +/-    1.84      13.5 +/-    1.84  0.050 / 0.070
G28     117.3          19.1                8.6 +/-    1.85      19.4 +/-    1.85  0.050 / 0.050