PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-15:42:50
G10     246.0          23.2                7.0 +/-    2.04      14.2 +/-    2.04  0.110 / 0.570
G13     58.9           32.3                1.7 +/-    0.81       2.8 +/-    0.81  0.140 / 0.660
G15     102.1          58.5                9.0 +/-    0.38      10.4 +/-    0.38  0.040 / 0.060
G16     302.1          15.0                3.0 +/-    3.60       7.5 +/-    3.60  0.040 / 0.060
G20     262.8          47.1                9.1 +/-    0.75      11.9 +/-    0.75  0.030 / 0.050
G21     330.2          57.9                6.1 +/-    0.80       7.1 +/-    0.80  0.030 / 0.050
G26     275.1          17.2                5.8 +/-    1.13      13.7 +/-    1.13  0.050 / 0.140
G29     161.8          55.5               10.9 +/-    0.72      12.9 +/-    0.72  0.050 / 0.150