PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-22:58:00
G01     245.4          32.6                9.4 +/-    1.76      15.6 +/-    1.76  0.040 / 0.050
G03     314.8          47.8                4.9 +/-    0.73       6.3 +/-    0.73  0.040 / 0.040
G14     65.5           37.5                6.2 +/-    0.54       9.3 +/-    0.54  0.060 / 0.240
G16     160.3          22.8                9.7 +/-    0.97      20.0 +/-    0.97  0.080 / 0.240
G22     296.9          69.5                6.5 +/-    0.78       6.8 +/-    0.78  0.050 / 0.120
G23     289.6          20.8                7.6 +/-    1.76      16.3 +/-    1.76  0.050 / 0.120
G26     132.9          41.8                9.3 +/-    1.13      13.2 +/-    1.13  0.040 / 0.040
G31     40.1           55.7                6.7 +/-    0.52       7.9 +/-    0.52  0.040 / 0.060
G32     81.4           19.9                7.0 +/-    0.93      15.4 +/-    0.93  0.070 / 0.110