PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-11:58:00
G02     34.8           53.8                4.9 +/-    0.87       5.9 +/-    0.87  0.030 / 0.030
G05     139.3          63.8                8.3 +/-    0.40       9.2 +/-    0.40  0.020 / 0.020
G06     55.0           14.4                2.5 +/-    2.34       6.4 +/-    2.34  0.030 / 0.030
G12     195.6          64.9                6.6 +/-    1.30       7.2 +/-    1.30  0.040 / 0.030
G19     101.3          10.0                7.1 +/-    3.46      19.7 +/-    3.46  0.030 / 0.030
G25     284.9          59.3                2.2 +/-    3.42       2.5 +/-    3.42  0.020 / 0.020
G29     309.8          30.9                4.7 +/-    0.82       8.1 +/-    0.82  0.080 / 0.090