PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/18-22:12:40
G01     308.9          33.4                8.7 +/-    1.06      14.3 +/-    1.06  0.110 / 0.280
G10     102.9          40.3                9.5 +/-    0.69      13.7 +/-    0.69  0.070 / 0.170
G11     287.8          26.1               11.2 +/-    1.77      21.2 +/-    1.77  0.060 / 0.180
G14     338.2          69.1               10.0 +/-    0.74      10.6 +/-    0.74  0.060 / 0.150
G20     119.1          14.6               11.0 +/-    1.74      27.7 +/-    1.74  0.040 / 0.050
G22     308.6          21.6                8.1 +/-    3.30      17.2 +/-    3.30  0.030 / 0.050
G25     86.3           15.1                8.7 +/-    0.97      21.5 +/-    0.97  0.090 / 0.090
G31     167.0          61.9               10.9 +/-    1.06      12.1 +/-    1.06  0.080 / 0.120
G32     33.7           54.1                8.1 +/-    0.31       9.8 +/-    0.31  0.040 / 0.060