PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-00:57:50
G08     284.0          23.5                9.7 +/-    1.46      19.7 +/-    1.46  0.100 / 0.100
G10     23.6           62.8                7.4 +/-    0.37       8.2 +/-    0.37  0.090 / 0.120
G14     236.7          51.9               10.8 +/-    0.77      13.3 +/-    0.77  0.050 / 0.120
G18     317.5          16.2                9.1 +/-    2.33      22.0 +/-    2.33  0.050 / 0.130
G20     355.0          66.0                9.7 +/-    0.91      10.5 +/-    0.91  0.060 / 0.090
G21     150.0          34.5                9.5 +/-    0.80      15.2 +/-    0.80  0.050 / 0.090
G24     48.9           20.7                7.0 +/-    1.14      15.3 +/-    1.14  0.080 / 0.170
G27     247.5          27.8               10.2 +/-    1.79      18.6 +/-    1.79  0.070 / 0.170
G31     180.9          14.2               11.9 +/-    1.44      30.1 +/-    1.44  0.080 / 0.180
G32     268.4          74.6               10.0 +/-    0.92      10.4 +/-    0.92  0.080 / 0.170