PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-15:42:40
G01     115.9          19.3                9.3 +/-    2.07      20.9 +/-    2.07  0.030 / 0.040
G07     94.1           60.3               10.0 +/-    0.82      11.3 +/-    0.82  0.030 / 0.040
G08     44.1           30.0                7.2 +/-    0.94      12.7 +/-    0.94  0.040 / 0.060
G09     177.3          24.6                8.2 +/-    1.68      16.2 +/-    1.68  0.040 / 0.060
G11     102.1          41.7                9.8 +/-    0.83      13.9 +/-    0.83  0.070 / 0.070
G13     315.9          22.5                5.4 +/-    2.63      11.1 +/-    2.63  0.060 / 0.090
G17     202.0          26.2               10.1 +/-    0.77      19.3 +/-    0.77  0.110 / 0.270
G18     89.8           21.7                8.8 +/-    0.93      18.5 +/-    0.93  0.120 / 0.220
G28     289.5          55.1                9.6 +/-    0.66      11.4 +/-    0.66  0.110 / 0.250