PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/09-13:27:20
G02     40.7           48.8                5.3 +/-    1.32       6.8 +/-    1.32  0.030 / 0.030
G05     124.7          68.7                7.5 +/-    0.61       8.0 +/-    0.61  0.040 / 0.050
G12     189.8          56.1                7.1 +/-    0.38       8.3 +/-    0.38  0.040 / 0.040
G25     270.7          60.4                8.8 +/-    1.69      10.0 +/-    1.69  0.030 / 0.030
G29     314.5          36.0                4.3 +/-    1.18       6.7 +/-    1.18  0.020 / 0.020