PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-15:28:00
G02     201.4          19.3               12.4 +/-    1.85      27.7 +/-    1.85  0.150 / 0.360
G06     167.3          56.7               13.5 +/-    0.75      15.9 +/-    0.75  0.160 / 0.270
G12     301.3          9.7                -9.9 +/-    4.26     -27.9 +/-    4.26  0.050 / 0.040
G13     226.2          12.4               10.2 +/-    1.66      27.0 +/-    1.66  0.050 / 0.050
G17     24.5           58.2                9.0 +/-    0.42      10.4 +/-    0.42  0.080 / 0.280
G19     314.3          70.2                9.4 +/-    0.51       9.9 +/-    0.51  0.110 / 0.520
G24     308.4          31.6                8.6 +/-    0.94      14.5 +/-    0.94  0.090 / 0.430
G28     88.8           39.3               10.8 +/-    0.81      16.0 +/-    0.81  0.070 / 0.110
G30     157.8          15.0               12.7 +/-    1.51      31.5 +/-    1.51  0.080 / 0.140