PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-17:27:50
G01     272.9          41.1                8.8 +/-    1.04      12.6 +/-    1.04  0.020 / 0.030
G03     315.9          30.8                8.7 +/-    1.57      15.1 +/-    1.57  0.030 / 0.030
G10     128.9          18.5               11.4 +/-    1.47      26.1 +/-    1.47  0.060 / 0.050
G11     254.4          21.1               11.7 +/-    3.49      25.0 +/-    3.49  0.050 / 0.060
G14     40.2           51.9                6.7 +/-    0.44       8.2 +/-    0.44  0.040 / 0.070
G22     314.4          51.6                7.0 +/-    1.46       8.7 +/-    1.46  0.040 / 0.060
G25     54.2           17.5                7.4 +/-    0.58      17.3 +/-    0.58  0.080 / 0.110
G26     148.5          24.0               13.0 +/-    1.59      26.0 +/-    1.59  0.080 / 0.150
G31     58.0           74.8                9.0 +/-    0.86       9.2 +/-    0.86  0.090 / 0.240
G32     63.3           32.9                8.2 +/-    0.81      13.6 +/-    0.81  0.090 / 0.220