PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/28-00:12:50
G01     290.3          40.2                8.3 +/-    1.66      12.1 +/-    1.66  0.060 / 0.090
G03     311.8          15.8                7.7 +/-    1.78      18.7 +/-    1.78  0.050 / 0.080
G10     119.8          29.3                9.3 +/-    0.52      16.5 +/-    0.52  0.060 / 0.090
G11     264.0          26.6               10.7 +/-    2.16      20.2 +/-    2.16  0.050 / 0.090
G14     26.3           57.9                7.6 +/-    0.43       8.8 +/-    0.43  0.070 / 0.100
G22     313.6          37.6                8.9 +/-    0.86      13.4 +/-    0.86  0.070 / 0.120
G25     65.0           18.4                7.4 +/-    0.94      17.0 +/-    0.94  0.030 / 0.040
G26     160.0          11.4               11.4 +/-   23.82      30.9 +/-   23.82  0.040 / 0.060
G31     153.7          77.9                6.2 +/-    0.94       6.3 +/-    0.94  0.040 / 0.050
G32     49.2           44.0                6.7 +/-    1.06       9.1 +/-    1.06  0.040 / 0.050