PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-11:57:20
G02     34.8           53.8                4.7 +/-    0.39       5.7 +/-    0.39  0.060 / 0.040
G05     139.3          63.8                9.3 +/-    1.04      10.2 +/-    1.04  0.050 / 0.030
G06     55.0           14.4                2.8 +/-    3.30       7.0 +/-    3.30  0.030 / 0.050
G12     195.6          64.9                5.7 +/-    0.94       6.2 +/-    0.94  0.030 / 0.040
G19     101.3          10.0                4.5 +/-    1.55      12.4 +/-    1.55  0.050 / 0.030
G25     284.9          59.3                5.4 +/-    0.77       6.1 +/-    0.77  0.050 / 0.030
G29     309.8          30.9                4.9 +/-    1.80       8.3 +/-    1.80  0.050 / 0.160