PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/31-01:43:10
G08     316.2          15.1                7.0 +/-    2.67      17.4 +/-    2.67  0.080 / 0.090
G10     315.9          57.0                9.1 +/-    0.87      10.7 +/-    0.87  0.050 / 0.080
G14     214.2          20.7               12.4 +/-    1.42      26.9 +/-    1.42  0.200 / 0.350
G15     45.8           20.6                4.2 +/-    1.52       9.1 +/-    1.52  0.110 / 0.250
G20     324.9          60.4                7.5 +/-    0.60       8.5 +/-    0.60  0.070 / 0.140
G21     122.6          66.4                9.6 +/-    0.49      10.3 +/-    0.49  0.060 / 0.150
G24     82.9           29.2                8.0 +/-    0.78      14.2 +/-    0.78  0.040 / 0.030
G27     286.8          37.4                8.6 +/-    1.00      13.0 +/-    1.00  0.030 / 0.040
G32     216.3          45.4               13.8 +/-    0.53      18.5 +/-    0.53  0.040 / 0.040