PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-11:27:20
G02     36.2           52.6                6.3 +/-    0.63       7.7 +/-    0.63  0.050 / 0.030
G05     136.0          64.9                7.8 +/-    0.61       8.5 +/-    0.61  0.040 / 0.030
G06     55.6           13.8                3.1 +/-    1.78       8.0 +/-    1.78  0.050 / 0.040
G12     195.0          63.7                7.4 +/-    0.41       8.1 +/-    0.41  0.040 / 0.040
G25     281.6          60.1               11.1 +/-    1.66      12.6 +/-    1.66  0.040 / 0.030
G29     310.8          32.1                3.6 +/-    1.30       6.0 +/-    1.30  0.040 / 0.020