PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/25-01:57:40
G08     290.8          23.5                7.8 +/-    1.04      15.7 +/-    1.04  0.050 / 0.080
G10     6.8            63.2                7.2 +/-    0.64       7.9 +/-    0.64  0.040 / 0.100
G14     231.1          48.9                9.3 +/-    1.02      11.9 +/-    1.02  0.070 / 0.120
G18     63.4           51.5                8.3 +/-    0.48      10.3 +/-    0.48  0.070 / 0.120
G21     146.3          39.0                9.0 +/-    0.76      13.3 +/-    0.76  0.030 / 0.030
G24     56.6           26.3                8.7 +/-    0.75      16.5 +/-    0.75  0.030 / 0.040
G27     251.7          31.0               11.0 +/-    0.87      18.9 +/-    0.87  0.110 / 0.120
G32     246.4          66.5                7.9 +/-    0.89       8.5 +/-    0.89  0.100 / 0.130