PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-15:58:00
G05     49.1           17.7                6.9 +/-    1.20      16.1 +/-    1.20  0.050 / 0.060
G10     237.6          14.6               10.2 +/-    2.66      25.6 +/-    2.66  0.050 / 0.060
G13     72.5           35.8                9.7 +/-    0.64      15.1 +/-    0.64  0.180 / 0.370
G15     125.1          53.5               11.0 +/-    0.68      13.3 +/-    0.68  0.190 / 0.320
G16     312.6          12.9                6.7 +/-    2.52      17.5 +/-    2.52  0.060 / 0.080
G20     250.3          38.7               10.5 +/-    0.92      15.6 +/-    0.92  0.050 / 0.090
G21     317.1          49.8                8.3 +/-    0.59      10.4 +/-    0.59  0.030 / 0.020
G26     286.5          19.7                7.1 +/-    1.94      15.8 +/-    1.94  0.030 / 0.030
G29     155.9          69.2               10.6 +/-    0.91      11.2 +/-    0.91  0.080 / 0.140