PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-20:42:50
G10     276.6          44.6               13.9 +/-    0.77      18.8 +/-    0.77  0.050 / 0.040
G13     38.5           11.0                6.9 +/-   15.61      18.8 +/-   15.61  0.050 / 0.040
G15     52.6           43.0               11.8 +/-    0.74      16.3 +/-    0.74  0.220 / 0.440
G20     316.0          63.6               13.1 +/-    1.17      14.5 +/-    1.17  0.120 / 0.370
G21     24.0           75.5               14.1 +/-    0.46      14.5 +/-    0.46  0.050 / 0.060
G24     115.3          18.6               15.7 +/-    1.01      35.8 +/-    1.01  0.040 / 0.060
G27     314.8          24.5               11.7 +/-    2.12      23.1 +/-    2.12  0.090 / 0.060
G29     168.0          23.7               18.7 +/-    2.04      37.6 +/-    2.04  0.080 / 0.050
G32     205.2          16.4               19.0 +/-    2.29      45.7 +/-    2.29  0.110 / 0.150