PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/27-21:58:10
G01     294.5          39.1                8.5 +/-    3.48      12.5 +/-    3.48  0.070 / 0.100
G03     310.7          14.0                8.5 +/-    0.76      21.8 +/-    0.76  0.100 / 0.100
G10     117.2          31.7                9.8 +/-    1.58      16.5 +/-    1.58  0.080 / 0.070
G11     268.5          27.2                9.1 +/-    1.90      17.0 +/-    1.90  0.060 / 0.070
G14     20.5           60.2                8.9 +/-    1.18      10.1 +/-    1.18  0.020 / 0.020
G22     313.0          34.9                8.1 +/-    1.17      12.8 +/-    1.17  0.030 / 0.020
G25     69.2           18.6                9.1 +/-    1.63      20.7 +/-    1.63  0.090 / 0.160
G31     155.1          75.8               10.9 +/-    0.55      11.2 +/-    0.55  0.080 / 0.150
G32     47.0           45.3                8.2 +/-    0.94      11.0 +/-    0.94  0.050 / 0.050