PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/09-16:28:00
G02     351.8          75.0                7.9 +/-    0.44       8.1 +/-    0.44  0.110 / 0.260
G05     162.9          40.2               10.7 +/-    0.94      15.5 +/-    0.94  0.120 / 0.230
G06     44.4           31.7                5.4 +/-    0.75       9.2 +/-    0.75  0.050 / 0.070
G12     272.2          81.2                8.6 +/-    0.76       8.7 +/-    0.76  0.040 / 0.070
G19     80.1           26.2                7.9 +/-    0.55      15.1 +/-    0.55  0.030 / 0.030
G24     220.1          16.3                9.6 +/-    3.76      23.2 +/-    3.76  0.030 / 0.030
G25     314.5          38.3                7.8 +/-    1.79      11.7 +/-    1.79  0.050 / 0.090
G29     291.8          13.0               10.8 +/-    1.70      28.1 +/-    1.70  0.050 / 0.090