PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/04-18:12:30
G03     226.1          67.2               10.1 +/-    1.18      10.9 +/-    1.18  0.050 / 0.060
G09     303.4          17.6                9.8 +/-    1.98      22.8 +/-    1.98  0.040 / 0.060
G14     99.7           15.7               11.8 +/-    1.71      28.7 +/-    1.71  0.120 / 0.280
G16     125.9          59.6               13.4 +/-    0.46      15.2 +/-    0.46  0.110 / 0.320
G22     191.8          53.5               12.2 +/-    0.63      14.7 +/-    0.63  0.280 / 0.370
G23     321.4          51.3               10.5 +/-    0.50      13.0 +/-    0.50  0.230 / 0.370
G26     67.3           50.7               10.5 +/-    0.98      13.2 +/-    0.98  0.030 / 0.040
G31     52.8           18.3                8.8 +/-    3.64      20.1 +/-    3.64  0.030 / 0.040