PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/11-00:57:30
G01     303.1          35.6               10.5 +/-    1.17      16.5 +/-    1.17  0.050 / 0.080
G10     110.0          37.9                9.4 +/-    1.03      14.2 +/-    1.03  0.040 / 0.070
G11     276.0          28.9               10.1 +/-    1.06      18.1 +/-    1.06  0.050 / 0.100
G14     8.5            64.2                7.8 +/-    0.75       8.6 +/-    0.75  0.060 / 0.090
G18     119.8          11.1                7.2 +/-    2.52      19.6 +/-    2.52  0.060 / 0.120
G22     310.8          28.3                7.7 +/-    1.46      14.0 +/-    1.46  0.060 / 0.120
G25     75.9           17.2                7.7 +/-    1.01      18.0 +/-    1.01  0.100 / 0.210
G31     170.2          66.9               11.2 +/-    0.93      12.1 +/-    0.93  0.080 / 0.210
G32     37.0           52.2                8.1 +/-    0.26       9.9 +/-    0.26  0.030 / 0.040