PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-16:12:30
G02     30.6           56.7                7.2 +/-    1.25       8.5 +/-    1.25  0.030 / 0.050
G05     142.6          61.7               10.0 +/-    0.44      11.2 +/-    0.44  0.030 / 0.050
G06     53.7           14.5                7.2 +/-    1.91      18.1 +/-    1.91  0.050 / 0.050
G12     196.7          67.7                6.9 +/-    0.58       7.4 +/-    0.58  0.040 / 0.050
G25     297.4          52.8                8.2 +/-    3.07      10.0 +/-    3.07  0.150 / 0.200
G29     307.0          27.7                6.4 +/-    1.69      11.8 +/-    1.69  0.100 / 0.240