PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-19:42:40
G01     306.7          33.9               10.3 +/-    1.17      16.7 +/-    1.17  0.150 / 0.160
G10     106.8          38.8               11.8 +/-    1.40      17.5 +/-    1.40  0.130 / 0.160
G11     279.4          28.4                9.6 +/-    1.08      17.4 +/-    1.08  0.040 / 0.050
G14     359.9          66.5               10.0 +/-    0.38      10.9 +/-    0.38  0.030 / 0.040
G20     120.9          13.5               11.6 +/-    1.59      29.8 +/-    1.59  0.040 / 0.030
G22     310.0          25.9                9.7 +/-    1.47      18.5 +/-    1.47  0.040 / 0.030
G25     75.6           15.4               10.8 +/-    1.82      26.7 +/-    1.82  0.070 / 0.100
G31     172.1          63.0               12.8 +/-    0.75      14.2 +/-    0.75  0.090 / 0.110
G32     36.0           52.6               10.7 +/-    0.98      13.0 +/-    0.98  0.110 / 0.180