PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-18:42:50
G01     39.0           13.2               10.3 +/-    4.34      26.6 +/-    4.34  0.040 / 0.050
G02     199.4          10.8                2.3 +/-   17.05       6.4 +/-   17.05  0.050 / 0.070
G06     174.4          41.7               15.3 +/-    1.68      21.6 +/-    1.68  0.200 / 0.280
G13     233.8          20.2               14.5 +/-    1.92      31.9 +/-    1.92  0.140 / 0.380
G15     267.1          11.0               13.8 +/-    1.32      37.6 +/-    1.32  0.220 / 0.170
G17     5.9            68.6               11.9 +/-    1.10      12.7 +/-    1.10  0.120 / 0.180
G19     289.3          71.1               13.2 +/-    0.71      13.8 +/-    0.71  0.130 / 0.470
G24     315.0          22.1               12.7 +/-    2.93      26.6 +/-    2.93  0.170 / 0.590
G28     70.8           49.1               12.6 +/-    1.18      16.0 +/-    1.18  0.040 / 0.040
G30     154.4          21.1               13.1 +/-    1.45      28.1 +/-    1.45  0.050 / 0.030