PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/29-07:12:40
G07     41.7           69.4                6.1 +/-    0.63       6.5 +/-    0.63  0.040 / 0.050
G08     56.4           45.0                5.1 +/-    0.54       6.8 +/-    0.54  0.040 / 0.050
G09     177.3          40.7                8.5 +/-    0.93      12.2 +/-    0.93  0.030 / 0.030
G11     125.5          33.1                7.0 +/-    0.94      11.5 +/-    0.94  0.030 / 0.030
G18     107.6          14.1                6.1 +/-    2.22      15.6 +/-    2.22  0.140 / 0.420
G23     160.2          11.6                4.4 +/-    2.82      11.9 +/-    2.82  0.150 / 0.360
G27     38.1           11.6                2.5 +/-    1.96       6.6 +/-    1.96  0.130 / 0.220
G28     262.2          43.7                4.6 +/-    1.37       6.3 +/-    1.37  0.160 / 0.260
G30     324.8          54.9                4.7 +/-    0.98       5.6 +/-    0.98  0.140 / 0.260