PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-00:12:30
G10     292.2          50.1                9.7 +/-    3.25      12.3 +/-    3.25  0.080 / 0.100
G15     47.5           34.6                8.3 +/-    1.04      13.3 +/-    1.04  0.050 / 0.090
G20     291.8          46.4                8.1 +/-    0.67      10.6 +/-    0.67  0.040 / 0.030
G21     79.5           76.8               10.0 +/-    0.61      10.2 +/-    0.61  0.040 / 0.040
G24     99.7           24.9               11.1 +/-    0.81      21.8 +/-    0.81  0.090 / 0.120
G27     304.4          32.4                9.1 +/-    1.42      15.2 +/-    1.42  0.090 / 0.120
G29     168.8          11.9               12.2 +/-    1.09      32.7 +/-    1.09  0.220 / 0.320
G32     208.8          30.2               12.8 +/-    1.25      22.2 +/-    1.25  0.220 / 0.360