PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-19:58:10
G08     287.8          23.8                9.9 +/-    1.74      19.8 +/-    1.74  0.050 / 0.080
G10     16.1           62.9                8.9 +/-    0.54       9.8 +/-    0.54  0.050 / 0.090
G14     232.9          49.7               13.0 +/-    2.27      16.5 +/-    2.27  0.080 / 0.130
G18     317.5          14.6               10.2 +/-    2.49      25.5 +/-    2.49  0.070 / 0.090
G20     70.2           50.3               10.8 +/-    0.86      13.5 +/-    0.86  0.090 / 0.160
G21     147.9          35.4                8.7 +/-    2.59      13.7 +/-    2.59  0.100 / 0.130
G24     50.4           21.2                9.3 +/-    3.55      19.9 +/-    3.55  0.160 / 0.340
G27     252.9          30.0               11.8 +/-    1.60      20.7 +/-    1.60  0.360 / 0.520
G32     253.7          70.6               11.2 +/-    0.60      11.8 +/-    0.60  0.170 / 0.160