PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/11-23:28:10
G02     227.4          70.7               13.3 +/-    0.31      14.0 +/-    0.31  0.040 / 0.050
G05     173.4          11.3                9.6 +/-   41.39      26.0 +/-   41.39  0.040 / 0.060
G06     43.7           64.5               11.9 +/-    0.40      13.1 +/-    0.40  0.170 / 0.310
G12     321.1          45.7               12.7 +/-    0.88      17.0 +/-    0.88  0.200 / 0.360
G17     63.7           29.2               11.3 +/-    1.07      20.1 +/-    1.07  0.060 / 0.080
G19     49.1           44.0               12.5 +/-    0.68      17.1 +/-    0.68  0.060 / 0.090
G24     252.6          38.2               14.8 +/-    1.50      22.2 +/-    1.50  0.030 / 0.040