PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/03-16:42:50
G02     30.6           56.6                8.4 +/-    1.13       9.8 +/-    1.13  0.040 / 0.030
G05     141.0          62.4               10.7 +/-    0.79      11.9 +/-    0.79  0.030 / 0.030
G06     54.1           14.1                7.5 +/-    2.79      19.0 +/-    2.79  0.040 / 0.040
G12     196.6          67.2                9.3 +/-    0.49      10.0 +/-    0.49  0.040 / 0.040
G25     296.6          53.1                8.6 +/-    3.23      10.4 +/-    3.23  0.110 / 0.240
G29     307.5          28.2                6.0 +/-    1.26      10.9 +/-    1.26  0.130 / 0.330