PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/17-18:42:40
G01     290.7          42.1               10.8 +/-    3.39      15.2 +/-    3.39  0.060 / 0.090
G03     311.0          14.2                7.3 +/-    3.57      18.5 +/-    3.57  0.060 / 0.090
G10     118.0          28.0               11.6 +/-    1.46      21.1 +/-    1.46  0.050 / 0.040
G11     272.0          24.5                9.0 +/-    1.52      17.8 +/-    1.52  0.040 / 0.040
G14     13.3           62.4                7.4 +/-    0.78       8.3 +/-    0.78  0.080 / 0.130
G22     313.7          35.8                6.7 +/-    0.92      10.5 +/-    0.92  0.100 / 0.160
G25     68.9           18.1                8.9 +/-    1.74      20.4 +/-    1.74  0.100 / 0.340
G26     158.4          11.8                8.7 +/-    6.66      23.4 +/-    6.66  0.150 / 0.340
G31     142.0          77.0                9.4 +/-    0.83       9.6 +/-    0.83  0.080 / 0.090
G32     50.2           41.9                7.7 +/-    1.12      10.8 +/-    1.12  0.080 / 0.110