PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-21:28:10
G10     297.4          52.6                8.2 +/-    1.10      10.0 +/-    1.10  0.040 / 0.050
G15     46.5           30.1                6.8 +/-    0.54      11.9 +/-    0.54  0.040 / 0.050
G20     352.0          65.3                7.2 +/-    0.70       7.8 +/-    0.70  0.050 / 0.100
G21     89.8           75.4               10.6 +/-    0.40      10.9 +/-    0.40  0.050 / 0.100
G24     100.4          26.2               12.2 +/-    0.63      23.1 +/-    0.63  0.040 / 0.110
G27     302.2          33.7                9.7 +/-    1.32      15.7 +/-    1.32  0.050 / 0.090
G32     209.6          31.0               13.5 +/-    1.53      23.2 +/-    1.53  0.070 / 0.130