PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/09-18:43:00
G01     236.3          25.8               10.6 +/-    2.00      20.3 +/-    2.00  0.070 / 0.100
G03     306.5          60.7               10.4 +/-    0.76      11.8 +/-    0.76  0.070 / 0.160
G14     74.6           32.8                9.0 +/-    1.51      15.0 +/-    1.51  0.030 / 0.040
G16     156.4          32.2               11.7 +/-    1.44      19.6 +/-    1.44  0.030 / 0.040
G22     258.7          76.1                9.2 +/-    0.73       9.4 +/-    0.73  0.040 / 0.070
G23     298.5          29.7                7.8 +/-    0.74      13.8 +/-    0.74  0.040 / 0.060
G26     118.3          49.2               11.6 +/-    1.71      14.8 +/-    1.71  0.090 / 0.190
G31     41.5           43.2                7.0 +/-    0.91       9.8 +/-    0.91  0.090 / 0.160
G32     90.0           13.2                9.5 +/-    1.42      24.6 +/-    1.42  0.030 / 0.050