PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/11-22:28:10
G08     321.2          10.6              -16.0 +/-   26.40     -44.0 +/-   26.40  0.040 / 0.040
G10     302.3          53.4                7.0 +/-    0.92       8.5 +/-    0.92  0.050 / 0.040
G14     211.1          13.8               12.2 +/-    3.86      31.3 +/-    3.86  0.070 / 0.100
G15     46.4           30.8                6.2 +/-    0.64      10.6 +/-    0.64  0.060 / 0.090
G20     359.9          65.1                8.0 +/-    0.77       8.7 +/-    0.77  0.090 / 0.470
G21     105.3          72.2                8.1 +/-    0.46       8.4 +/-    0.46  0.150 / 0.740
G24     91.5           27.2                8.9 +/-    0.93      16.6 +/-    0.93  0.160 / 0.150
G27     297.9          34.9                7.9 +/-    1.39      12.5 +/-    1.39  0.190 / 0.180
G32     211.7          36.3               11.2 +/-    1.53      17.3 +/-    1.53  0.030 / 0.040