PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-13:57:50
G02     205.4          32.3                9.5 +/-    1.52      16.0 +/-    1.52  0.180 / 0.150
G06     152.4          71.9               11.2 +/-    0.50      11.7 +/-    0.50  0.110 / 0.170
G12     309.7          20.1                5.4 +/-    2.83      11.8 +/-    2.83  0.090 / 0.060
G17     39.0           46.6                8.2 +/-    1.24      10.8 +/-    1.24  0.100 / 0.060
G19     353.9          66.0                8.5 +/-    0.31       9.2 +/-    0.31  0.030 / 0.030
G24     293.3          40.6                5.5 +/-   10.15       8.0 +/-   10.15  0.040 / 0.020
G28     104.0          30.6                9.6 +/-    1.09      16.6 +/-    1.09  0.040 / 0.030