PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/29-23:28:10
G01     219.5          10.4                8.8 +/-    1.68      24.3 +/-    1.68  0.110 / 0.220
G03     259.2          70.0                7.4 +/-    0.70       7.8 +/-    0.70  0.110 / 0.270
G09     300.8          16.6                6.1 +/-    3.29      14.7 +/-    3.29  0.200 / 0.370
G14     95.0           17.7                6.5 +/-    1.58      15.0 +/-    1.58  0.220 / 0.350
G16     136.5          53.8                8.0 +/-    0.72       9.6 +/-    0.72  0.040 / 0.030
G22     202.3          62.0                7.6 +/-    0.19       8.5 +/-    0.19  0.040 / 0.040
G23     313.2          42.6                6.6 +/-    1.23       9.2 +/-    1.23  0.070 / 0.040
G26     81.7           54.7                5.7 +/-    0.94       6.8 +/-    0.94  0.060 / 0.050
G31     48.6           26.7                3.5 +/-    2.83       6.5 +/-    2.83  0.050 / 0.030