PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/24-18:27:50
G10     265.0          37.3               11.5 +/-    1.45      17.6 +/-    1.45  0.170 / 0.300
G13     42.8           19.5                7.8 +/-    2.30      17.3 +/-    2.30  0.350 / 0.470
G15     64.4           53.2                8.3 +/-    1.01      10.1 +/-    1.01  0.170 / 0.170
G16     281.0          12.8                8.8 +/-    1.90      23.2 +/-    1.90  0.240 / 0.200
G20     293.9          59.4                9.2 +/-    0.85      10.5 +/-    0.85  0.040 / 0.030
G21     1.4            71.0               10.1 +/-    0.68      10.6 +/-    0.68  0.040 / 0.030
G24     118.8          13.5               11.9 +/-    2.49      30.8 +/-    2.49  0.140 / 0.290
G27     320.2          15.9                8.6 +/-    1.74      21.0 +/-    1.74  0.130 / 0.300
G29     167.4          33.2               10.2 +/-    0.93      16.7 +/-    0.93  0.130 / 0.250