PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-22:27:50
G01     307.9          34.1                7.1 +/-    0.98      11.4 +/-    0.98  0.150 / 0.170
G10     104.2          39.4                9.3 +/-    0.82      13.7 +/-    0.82  0.100 / 0.160
G11     286.4          26.3                7.1 +/-    1.09      13.5 +/-    1.09  0.130 / 0.230
G14     341.9          68.8                8.2 +/-    0.47       8.7 +/-    0.47  0.090 / 0.200
G20     119.8          13.8                8.9 +/-    2.01      22.9 +/-    2.01  0.040 / 0.050
G22     309.1          22.6                8.0 +/-    0.97      16.5 +/-    0.97  0.050 / 0.050
G25     85.1           15.6               11.8 +/-    2.70      28.9 +/-    2.70  0.080 / 0.100
G31     165.8          63.3               10.9 +/-    0.68      12.0 +/-    0.68  0.070 / 0.100
G32     35.0           53.2                9.0 +/-    1.15      11.0 +/-    1.15  0.030 / 0.040