PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/11-01:42:40
G08     319.4          12.4                9.1 +/-    1.43      24.1 +/-    1.43  0.080 / 0.110
G10     304.3          53.6               11.2 +/-    0.97      13.5 +/-    0.97  0.070 / 0.110
G14     211.6          18.5               12.2 +/-    2.08      27.9 +/-    2.08  0.040 / 0.040
G15     45.7           25.5                9.1 +/-    0.69      17.7 +/-    0.69  0.050 / 0.040
G18     7.2            65.2               10.7 +/-    0.78      11.7 +/-    0.78  0.070 / 0.070
G20     75.7           13.5                8.3 +/-    2.15      21.4 +/-    2.15  0.070 / 0.080
G21     111.0          70.2               12.7 +/-    0.71      13.4 +/-    0.71  0.030 / 0.040
G24     93.2           28.4               11.1 +/-    0.93      20.1 +/-    0.93  0.030 / 0.040
G27     292.4          36.9               12.0 +/-    1.30      18.4 +/-    1.30  0.100 / 0.580
G32     213.6          36.1               15.5 +/-    1.31      24.1 +/-    1.31  0.110 / 0.660