PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-18:12:40
G01     40.1           15.0                9.6 +/-    1.91      24.0 +/-    1.91  0.040 / 0.070
G06     174.8          39.2               14.3 +/-    0.96      21.1 +/-    0.96  0.040 / 0.070
G13     235.7          21.8               14.3 +/-    1.82      30.0 +/-    1.82  0.300 / 0.220
G15     269.3          11.9               13.6 +/-    1.45      36.4 +/-    1.45  0.280 / 0.370
G17     0.5            70.6               12.0 +/-    0.79      12.7 +/-    0.79  0.170 / 0.210
G19     281.3          70.3               11.8 +/-    0.73      12.4 +/-    0.73  0.090 / 0.240
G24     316.0          20.0                9.4 +/-    2.68      20.7 +/-    2.68  0.030 / 0.030
G28     67.3           50.3               11.9 +/-    0.78      15.0 +/-    0.78  0.040 / 0.040
G30     153.9          23.6               13.3 +/-    2.92      26.8 +/-    2.92  0.030 / 0.040