PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-23:13:10
G10     304.9          54.7                8.9 +/-    1.01      10.6 +/-    1.01  0.100 / 0.550
G14     211.1          13.7               14.7 +/-    3.42      37.7 +/-    3.42  0.140 / 0.670
G15     45.7           25.0                6.7 +/-    0.58      13.0 +/-    0.58  0.080 / 0.090
G20     2.1            64.8                8.0 +/-    0.73       8.7 +/-    0.73  0.080 / 0.090
G21     105.6          72.5               10.0 +/-    0.72      10.4 +/-    0.72  0.040 / 0.040
G24     94.7           28.0               10.4 +/-    0.79      19.0 +/-    0.79  0.040 / 0.040
G27     297.0          35.7                9.6 +/-    1.23      15.0 +/-    1.23  0.040 / 0.050
G32     211.8          35.3               15.0 +/-    2.11      23.7 +/-    2.11  0.040 / 0.050