PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-15:43:00
G10     246.0          23.2                7.1 +/-    1.52      14.4 +/-    1.52  0.090 / 0.400
G13     58.9           32.3                1.4 +/-    1.77       2.3 +/-    1.77  0.100 / 0.420
G15     102.1          58.5                9.2 +/-    0.48      10.6 +/-    0.48  0.040 / 0.050
G16     302.1          15.0                3.0 +/-    1.33       7.4 +/-    1.33  0.040 / 0.040
G20     262.8          47.1                8.6 +/-    4.23      11.3 +/-    4.23  0.040 / 0.030
G21     330.2          57.9                7.2 +/-    0.61       8.3 +/-    0.61  0.030 / 0.040
G26     275.1          17.2                5.8 +/-    2.59      13.7 +/-    2.59  0.050 / 0.090
G29     161.8          55.5                9.9 +/-    0.76      11.7 +/-    0.76  0.060 / 0.110