PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/12-01:42:40
G08     318.2          13.5                6.5 +/-    0.77      16.7 +/-    0.77  0.030 / 0.050
G10     307.2          54.4                6.6 +/-    1.17       7.9 +/-    1.17  0.030 / 0.040
G14     212.2          20.2                9.9 +/-    2.80      21.6 +/-    2.80  0.110 / 0.130
G15     45.6           23.8                5.9 +/-    1.30      11.8 +/-    1.30  0.080 / 0.100
G18     11.2           64.7                6.0 +/-    0.43       6.5 +/-    0.43  0.050 / 0.040
G20     77.0           12.3                9.0 +/-    2.14      23.9 +/-    2.14  0.030 / 0.050
G21     115.0          68.7                9.7 +/-    0.51      10.3 +/-    0.51  0.100 / 0.340
G24     91.1           28.9                8.7 +/-    0.85      15.6 +/-    0.85  0.090 / 0.310
G27     290.1          37.4                7.1 +/-    1.48      10.7 +/-    1.48  0.050 / 0.080
G32     214.5          37.9                9.6 +/-    1.45      14.5 +/-    1.45  0.050 / 0.090