PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-09:27:30
G01     40.6           15.2                3.3 +/-    2.38       8.1 +/-    2.38  0.050 / 0.060
G06     177.6          37.9                8.1 +/-    1.17      12.2 +/-    1.17  0.060 / 0.070
G13     238.0          21.2                5.3 +/-    1.71      11.3 +/-    1.71  0.160 / 0.240
G15     269.5          12.0                4.2 +/-    0.96      11.3 +/-    0.96  0.160 / 0.320
G17     8.4            68.2                5.2 +/-    0.41       5.5 +/-    0.41  0.280 / 0.240
G19     286.0          70.9                5.6 +/-    0.43       5.9 +/-    0.43  0.090 / 0.180
G24     316.7          19.1                3.5 +/-    1.94       7.8 +/-    1.94  0.030 / 0.030
G28     74.2           45.6                6.1 +/-    1.59       8.2 +/-    1.59  0.030 / 0.050
G30     154.7          25.8                7.2 +/-    2.54      13.9 +/-    2.54  0.050 / 0.060