PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/30-23:28:00
G08     300.5          21.0                8.2 +/-    1.61      17.7 +/-    1.61  0.060 / 0.090
G10     3.8            62.6                9.0 +/-    0.44       9.9 +/-    0.44  0.050 / 0.080
G14     226.2          41.4               13.1 +/-    0.60      18.6 +/-    0.60  0.050 / 0.110
G20     61.2           53.6                9.7 +/-    0.68      11.7 +/-    0.68  0.060 / 0.110
G21     145.1          44.8               11.5 +/-    0.69      15.6 +/-    0.69  0.060 / 0.130
G24     60.3           27.6                6.8 +/-    1.06      12.5 +/-    1.06  0.050 / 0.100
G27     258.5          33.7               10.4 +/-    1.24      17.0 +/-    1.24  0.050 / 0.110
G32     238.8          65.0               11.5 +/-    1.25      12.6 +/-    1.25  0.060 / 0.110