PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-20:42:30
G02     63.3           30.6                9.6 +/-    1.18      16.6 +/-    1.18  0.030 / 0.030
G05     51.6           56.1                8.3 +/-    0.60       9.8 +/-    0.60  0.040 / 0.040
G12     180.7          23.2               11.2 +/-    2.04      22.8 +/-    2.04  0.050 / 0.070
G13     123.0          19.3               13.6 +/-    1.23      30.5 +/-    1.23  0.070 / 0.080
G15     163.1          15.5               13.0 +/-    4.25      31.9 +/-    4.25  0.080 / 0.100
G21     275.8          20.0                9.5 +/-    1.66      20.8 +/-    1.66  0.060 / 0.120
G25     227.6          47.2               10.9 +/-    1.19      14.3 +/-    1.19  0.050 / 0.050
G29     331.1          59.1                8.3 +/-    0.96       9.6 +/-    0.96  0.040 / 0.040