PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/03-14:57:40
G10     246.0          23.3                6.8 +/-    2.29      13.8 +/-    2.29  0.120 / 0.490
G13     58.8           32.3                7.3 +/-    0.56      12.2 +/-    0.56  0.110 / 0.500
G15     101.2          58.3                8.6 +/-    0.26       9.9 +/-    0.26  0.040 / 0.050
G16     302.4          14.9                2.0 +/-    2.59       5.0 +/-    2.59  0.040 / 0.040
G20     262.8          47.2                8.6 +/-    0.61      11.2 +/-    0.61  0.030 / 0.040
G21     330.9          58.2                5.3 +/-    0.73       6.2 +/-    0.73  0.030 / 0.060
G26     275.6          17.2                5.9 +/-    1.51      13.9 +/-    1.51  0.050 / 0.120
G29     161.6          55.1                9.9 +/-    0.97      11.8 +/-    0.97  0.050 / 0.100