PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/29-11:12:50
G02     45.2           43.8                5.0 +/-    1.69       6.8 +/-    1.69  0.020 / 0.020
G05     115.3          69.8                7.0 +/-    0.84       7.4 +/-    0.84  0.030 / 0.030
G12     185.7          52.1                8.1 +/-    0.92      10.0 +/-    0.92  0.040 / 0.050
G25     273.9          58.4                4.6 +/-    1.14       5.3 +/-    1.14  0.030 / 0.040
G29     315.1          36.6                4.8 +/-    1.82       7.4 +/-    1.82  0.130 / 0.080