PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-23:12:40
G01     238.9          28.3                9.2 +/-    1.52      16.7 +/-    1.52  0.060 / 0.120
G03     311.4          54.2                5.7 +/-    1.22       6.8 +/-    1.22  0.050 / 0.110
G14     72.1           33.5                6.0 +/-    2.03       9.8 +/-    2.03  0.140 / 0.130
G16     157.0          29.2                8.7 +/-    0.99      15.4 +/-    0.99  0.130 / 0.170
G22     278.6          73.8                6.9 +/-    0.69       7.2 +/-    0.69  0.040 / 0.020
G23     294.6          25.0                7.4 +/-    1.83      14.4 +/-    1.83  0.040 / 0.040
G26     125.2          46.8                8.1 +/-    1.58      10.7 +/-    1.58  0.060 / 0.150
G31     40.4           49.0                6.2 +/-    0.58       7.9 +/-    0.58  0.080 / 0.140
G32     86.8           15.8                7.0 +/-    0.94      17.1 +/-    0.94  0.080 / 0.030