PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-00:28:00
G03     240.4          68.1                4.5 +/-    0.51       4.8 +/-    0.51  0.150 / 0.390
G09     304.7          21.7                5.2 +/-    0.98      10.9 +/-    0.98  0.140 / 0.340
G14     100.0          13.9                5.2 +/-    2.10      13.3 +/-    2.10  0.030 / 0.020
G16     125.8          59.0                6.3 +/-    0.54       7.3 +/-    0.54  0.030 / 0.030
G22     196.7          55.7                5.9 +/-    0.62       7.0 +/-    0.62  0.050 / 0.030
G23     317.9          47.5                5.5 +/-    1.03       7.1 +/-    1.03  0.050 / 0.040
G26     70.2           52.3                3.3 +/-    0.69       4.1 +/-    0.69  0.060 / 0.050
G31     51.8           21.3                2.8 +/-    2.58       6.1 +/-    2.58  0.070 / 0.060