PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-04:57:50
G10     265.6          38.4                7.4 +/-    1.51      11.1 +/-    1.51  0.080 / 0.080
G13     42.3           18.7                5.2 +/-    3.45      11.7 +/-    3.45  0.060 / 0.090
G15     59.8           48.7                6.2 +/-    0.69       7.9 +/-    0.69  0.040 / 0.040
G16     283.7          12.4                7.5 +/-    1.81      19.8 +/-    1.81  0.030 / 0.040
G20     295.1          59.6                5.7 +/-    0.84       6.5 +/-    0.84  0.220 / 0.220
G21     2.7            71.2                5.7 +/-    0.36       6.0 +/-    0.36  0.190 / 0.220
G24     121.3          13.4                6.4 +/-    1.83      16.6 +/-    1.83  0.140 / 0.230
G27     320.0          16.4                5.8 +/-    1.96      13.9 +/-    1.96  0.150 / 0.260
G29     165.5          29.8                7.6 +/-    1.90      13.3 +/-    1.90  0.180 / 0.370