PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/11-01:42:50
G08     319.4          12.4                9.6 +/-    2.33      25.4 +/-    2.33  0.110 / 0.140
G10     304.3          53.6               10.3 +/-    0.71      12.5 +/-    0.71  0.090 / 0.110
G14     211.6          18.5               14.1 +/-    1.85      32.1 +/-    1.85  0.040 / 0.030
G15     45.7           25.5                9.8 +/-    1.72      19.0 +/-    1.72  0.040 / 0.040
G18     7.2            65.2               10.3 +/-    0.97      11.3 +/-    0.97  0.030 / 0.030
G20     75.7           13.5                8.5 +/-    1.91      21.8 +/-    1.91  0.030 / 0.020
G21     111.0          70.2               12.6 +/-    0.62      13.3 +/-    0.62  0.080 / 0.110
G24     93.2           28.4               11.3 +/-    1.60      20.5 +/-    1.60  0.080 / 0.110
G27     292.4          36.9               12.7 +/-    2.09      19.4 +/-    2.09  0.110 / 0.370
G32     213.6          36.1               11.7 +/-    2.09      18.2 +/-    2.09  0.210 / 0.480