PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/20-19:58:00
G01     308.7          33.7                8.7 +/-    2.01      14.2 +/-    2.01  0.120 / 0.220
G10     103.0          40.1                9.6 +/-    0.98      13.9 +/-    0.98  0.210 / 0.130
G11     288.8          25.6               10.4 +/-    1.00      20.0 +/-    1.00  0.040 / 0.050
G14     334.1          69.1                8.3 +/-    0.79       8.8 +/-    0.79  0.050 / 0.050
G20     119.3          13.8               11.3 +/-    1.39      28.8 +/-    1.39  0.090 / 0.190
G22     308.7          21.9                8.2 +/-    1.74      17.3 +/-    1.74  0.120 / 0.170
G25     85.8           15.1               10.8 +/-    4.01      26.8 +/-    4.01  0.040 / 0.040
G31     168.4          61.2               11.7 +/-    0.56      13.1 +/-    0.56  0.040 / 0.030
G32     34.3           53.6                9.3 +/-    1.99      11.2 +/-    1.99  0.040 / 0.060