PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-06:42:30
G02     34.6           54.4                4.9 +/-    0.86       5.9 +/-    0.86  0.030 / 0.030
G05     138.0          61.7                8.3 +/-    0.66       9.3 +/-    0.66  0.030 / 0.030
G06     52.7           18.5                4.0 +/-    2.68       9.1 +/-    2.68  0.030 / 0.040
G12     204.5          69.8                6.1 +/-    0.38       6.5 +/-    0.38  0.030 / 0.030
G19     99.4           10.3                7.7 +/-    1.99      21.4 +/-    1.99  0.180 / 0.240
G20     200.8          20.2                4.7 +/-    2.22      10.3 +/-    2.22  0.170 / 0.270
G25     299.3          52.1                5.0 +/-    1.96       6.1 +/-    1.96  0.300 / 0.220
G29     307.2          28.2                3.0 +/-    2.30       5.4 +/-    2.30  0.260 / 0.330