PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-21:57:30
G01     296.9          40.1                9.3 +/-    5.41      13.5 +/-    5.41  0.080 / 0.130
G03     309.2          10.7              -17.4 +/-   15.45     -47.8 +/-   15.45  0.110 / 0.140
G10     114.3          31.6               10.3 +/-    0.93      17.5 +/-    0.93  0.040 / 0.050
G11     275.0          25.8                8.3 +/-    1.23      16.0 +/-    1.23  0.040 / 0.040
G14     5.0            64.6                9.0 +/-    0.46       9.8 +/-    0.46  0.090 / 0.150
G22     312.5          31.2                8.3 +/-    1.38      14.1 +/-    1.38  0.110 / 0.160
G25     74.4           18.0                7.6 +/-    1.27      17.5 +/-    1.27  0.310 / 0.300
G31     149.7          73.9                8.8 +/-    0.51       9.1 +/-    0.51  0.050 / 0.080
G32     45.7           45.5                8.1 +/-    0.66      10.8 +/-    0.66  0.070 / 0.080