PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/12-14:57:50
G02     29.1           58.3                5.5 +/-    0.48       6.4 +/-    0.48  0.050 / 0.050
G05     149.3          59.6                8.0 +/-    0.76       9.1 +/-    0.76  0.040 / 0.060
G06     53.4           15.9                4.8 +/-    2.27      11.7 +/-    2.27  0.030 / 0.040
G12     195.6          67.6                5.6 +/-    1.05       6.0 +/-    1.05  0.030 / 0.040
G19     98.0           13.4                7.8 +/-    1.42      20.3 +/-    1.42  0.170 / 0.260
G25     294.7          55.7                5.5 +/-    0.84       6.5 +/-    0.84  0.140 / 0.390
G29     306.6          27.0                4.1 +/-    1.58       7.7 +/-    1.58  0.030 / 0.040