PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/14-01:28:10
G08     319.8          11.9                6.3 +/-    3.57      16.9 +/-    3.57  0.070 / 0.120
G10     303.1          53.2                7.8 +/-    0.74       9.5 +/-    0.74  0.060 / 0.130
G14     211.3          17.7               10.7 +/-    2.52      24.8 +/-    2.52  0.040 / 0.040
G15     45.8           26.0                7.3 +/-    1.03      14.0 +/-    1.03  0.040 / 0.040
G18     5.7            65.3                8.7 +/-    0.83       9.5 +/-    0.83  0.030 / 0.070
G20     75.1           14.0                6.6 +/-    1.96      16.7 +/-    1.96  0.030 / 0.040
G21     109.3          70.8               10.2 +/-    0.49      10.7 +/-    0.49  0.100 / 0.330
G24     94.1           28.2                9.1 +/-    0.65      16.7 +/-    0.65  0.170 / 0.370
G27     293.4          36.7               10.2 +/-    1.26      15.8 +/-    1.26  0.070 / 0.080
G32     213.2          35.2               12.9 +/-    1.04      20.3 +/-    1.04  0.050 / 0.090