PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-23:58:00
G10     265.9          37.6               11.8 +/-    1.28      17.9 +/-    1.28  0.100 / 0.140
G13     42.3           18.9                8.1 +/-    0.92      18.2 +/-    0.92  0.110 / 0.150
G15     62.8           52.2                8.8 +/-    0.60      10.9 +/-    0.60  0.120 / 0.350
G16     278.3          12.7               10.6 +/-    1.78      28.0 +/-    1.78  0.150 / 0.360
G20     271.4          37.2               15.9 +/-    0.72      24.3 +/-    0.72  0.210 / 0.370
G21     357.5          70.7                9.5 +/-    0.74      10.0 +/-    0.74  0.160 / 0.380
G24     119.8          13.8               11.9 +/-    1.58      30.4 +/-    1.58  0.050 / 0.050
G27     319.2          17.9                8.6 +/-    1.34      19.9 +/-    1.34  0.040 / 0.040
G29     168.3          33.4               11.1 +/-    1.45      18.2 +/-    1.45  0.080 / 0.250