PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/29-02:27:50
G08     268.9          19.5               10.0 +/-    2.44      22.4 +/-    2.44  0.040 / 0.040
G10     53.0           60.4                7.1 +/-    1.07       8.0 +/-    1.07  0.020 / 0.030
G11     312.5          16.7                7.5 +/-    2.65      17.9 +/-    2.65  0.100 / 0.380
G14     261.9          65.6                8.1 +/-    0.68       8.8 +/-    0.68  0.090 / 0.300
G18     87.9           39.2                8.4 +/-    0.75      12.4 +/-    0.75  0.070 / 0.140
G21     153.4          18.0               10.3 +/-    2.44      23.8 +/-    2.44  0.090 / 0.130
G24     41.8           13.9                4.6 +/-    1.75      11.7 +/-    1.75  0.150 / 0.310
G27     233.0          17.7               14.3 +/-    2.17      33.2 +/-    2.17  0.100 / 0.300
G31     179.8          25.9               11.6 +/-    2.58      22.3 +/-    2.58  0.050 / 0.050
G32     317.0          75.2                8.5 +/-    0.84       8.8 +/-    0.84  0.050 / 0.060