PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/18-21:43:00
G01     317.3          23.1                8.5 +/-    1.99      17.4 +/-    1.99  0.150 / 0.300
G08     255.5          11.7                9.0 +/-    7.32      24.2 +/-    7.32  0.220 / 0.250
G10     86.3           49.1                8.5 +/-    1.10      10.8 +/-    1.10  0.050 / 0.050
G11     301.8          22.7                9.0 +/-    1.04      18.7 +/-    1.04  0.040 / 0.040
G14     297.5          69.7                9.6 +/-    0.48      10.2 +/-    0.48  0.170 / 0.340
G20     109.3          24.6                9.3 +/-    1.99      18.4 +/-    1.99  0.230 / 0.370
G22     302.6          11.4                3.9 +/-   13.26      10.4 +/-   13.26  0.200 / 0.370
G25     98.9           9.6               -13.6 +/-   28.79     -38.4 +/-   28.79  0.190 / 0.170
G31     173.8          46.7               10.7 +/-    0.77      14.1 +/-    0.77  0.170 / 0.170
G32     16.2           64.3                9.2 +/-    0.42      10.1 +/-    0.42  0.040 / 0.040