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                9.3 +/-    2.09      23.2 +/-    2.09  0.130 / 0.320
G06     174.8          39.2               13.9 +/-    1.04      20.5 +/-    1.04  0.150 / 0.300
G13     235.7          21.8               14.3 +/-    1.41      30.0 +/-    1.41  0.040 / 0.080
G15     269.3          11.9               13.1 +/-    1.95      35.1 +/-    1.95  0.040 / 0.080
G17     0.5            70.6               11.1 +/-    0.39      11.7 +/-    0.39  0.110 / 0.320
G19     281.3          70.3               11.4 +/-    0.61      12.0 +/-    0.61  0.110 / 0.280
G24     316.0          20.0               11.3 +/-    1.66      24.8 +/-    1.66  0.040 / 0.040
G28     67.3           50.3               11.1 +/-    0.65      13.9 +/-    0.65  0.030 / 0.030
G30     153.9          23.6               13.2 +/-    2.19      26.6 +/-    2.19  0.040 / 0.050