PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-20:42:30
G02     200.4          21.9               15.9 +/-    1.70      33.4 +/-    1.70  0.110 / 0.150
G06     169.1          55.8               13.8 +/-    0.87      16.3 +/-    0.87  0.100 / 0.140
G13     226.6          12.4               15.1 +/-    5.88      40.1 +/-    5.88  0.120 / 0.210
G17     19.0           61.1               11.9 +/-    0.58      13.4 +/-    0.58  0.110 / 0.230
G19     320.3          70.6               11.4 +/-    0.46      12.0 +/-    0.46  0.030 / 0.040
G24     309.2          30.6               12.1 +/-    1.83      20.8 +/-    1.83  0.030 / 0.030
G28     89.2           39.0               13.0 +/-    1.10      19.3 +/-    1.10  0.040 / 0.030
G30     157.1          13.3               14.7 +/-    1.50      38.1 +/-    1.50  0.030 / 0.030