PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/19-16:57:30
G01     320.5          13.1                3.4 +/-   12.43       8.7 +/-   12.43  0.260 / 0.290
G08     263.9          15.8               10.4 +/-    1.40      25.3 +/-    1.40  0.210 / 0.470
G10     69.8           56.6                8.2 +/-    0.73       9.6 +/-    0.73  0.160 / 0.260
G11     309.1          18.9                6.4 +/-    0.95      14.5 +/-    0.95  0.160 / 0.280
G14     278.7          68.2                8.4 +/-    0.49       9.0 +/-    0.49  0.050 / 0.070
G18     97.8           30.9                8.0 +/-    0.66      13.7 +/-    0.66  0.050 / 0.070
G27     227.1          12.1               11.1 +/-    2.78      29.6 +/-    2.78  0.020 / 0.020
G31     177.6          35.6               11.4 +/-    1.66      17.9 +/-    1.66  0.020 / 0.020
G32     354.6          71.2                8.3 +/-    0.30       8.7 +/-    0.30  0.030 / 0.030