PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/05-16:57:50
G01     239.0          27.9                9.8 +/-    1.33      18.0 +/-    1.33  0.030 / 0.030
G03     309.0          59.5                8.9 +/-    0.79      10.1 +/-    0.79  0.030 / 0.030
G14     71.1           35.3                7.4 +/-    1.38      11.7 +/-    1.38  0.080 / 0.100
G16     157.2          29.7               10.2 +/-    2.06      18.0 +/-    2.06  0.070 / 0.100
G22     268.0          76.3                9.9 +/-    0.76      10.1 +/-    0.76  0.110 / 0.130
G23     296.7          28.6                7.6 +/-    2.04      13.8 +/-    2.04  0.090 / 0.130
G26     121.5          47.4               10.2 +/-    0.40      13.2 +/-    0.40  0.040 / 0.040
G31     41.1           45.3                7.5 +/-    0.90      10.0 +/-    0.90  0.040 / 0.080
G32     87.7           14.7                8.9 +/-    2.50      22.3 +/-    2.50  0.050 / 0.040