PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-19:57:30
G02     201.1          25.2               12.5 +/-    1.36      24.3 +/-    1.36  0.190 / 0.520
G06     166.5          60.1               10.9 +/-    0.92      12.4 +/-    0.92  0.230 / 0.390
G13     223.9          10.0               14.2 +/-    6.58      39.5 +/-    6.58  0.090 / 0.110
G17     24.4           57.8                9.7 +/-    0.66      11.2 +/-    0.66  0.070 / 0.100
G19     331.1          69.8                9.7 +/-    0.62      10.3 +/-    0.62  0.030 / 0.040
G24     306.2          33.3                9.5 +/-    1.65      15.5 +/-    1.65  0.030 / 0.040
G28     93.2           36.9                9.6 +/-    0.93      14.7 +/-    0.93  0.050 / 0.120
G30     157.6          10.2               14.1 +/-    6.35      39.2 +/-    6.35  0.050 / 0.110