PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/29-22:58:10
G01     228.9          19.8                9.1 +/-    1.31      20.0 +/-    1.31  0.110 / 0.190
G03     296.5          64.8                4.1 +/-    1.22       4.5 +/-    1.22  0.100 / 0.220
G14     83.4           26.0                7.5 +/-    0.80      14.3 +/-    0.80  0.030 / 0.040
G16     149.9          41.0                9.5 +/-    0.98      13.6 +/-    0.98  0.030 / 0.030
G22     230.1          73.2                6.7 +/-    0.88       6.9 +/-    0.88  0.030 / 0.040
G23     303.4          32.9                7.3 +/-    1.22      12.0 +/-    1.22  0.030 / 0.040
G26     107.2          53.5                7.6 +/-    0.60       9.2 +/-    0.60  0.110 / 0.200
G31     43.2           38.2                3.5 +/-    0.82       5.3 +/-    0.82  0.110 / 0.190