PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/20-19:57:40
G01     308.7          33.7                6.8 +/-    1.84      11.0 +/-    1.84  0.090 / 0.170
G10     103.0          40.1               10.1 +/-    1.06      14.6 +/-    1.06  0.100 / 0.180
G11     288.8          25.6               10.3 +/-    1.49      19.8 +/-    1.49  0.040 / 0.050
G14     334.1          69.1                8.8 +/-    0.99       9.4 +/-    0.99  0.040 / 0.050
G20     119.3          13.8               12.5 +/-    2.43      32.0 +/-    2.43  0.070 / 0.160
G22     308.7          21.9                6.8 +/-    1.98      14.3 +/-    1.98  0.050 / 0.160
G25     85.8           15.1                9.5 +/-    2.02      23.6 +/-    2.02  0.040 / 0.060
G31     168.4          61.2               11.1 +/-    0.69      12.4 +/-    0.69  0.040 / 0.050
G32     34.3           53.6                8.0 +/-    0.75       9.6 +/-    0.75  0.030 / 0.030