PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/24-13:27:30
G02     39.4           49.3                4.0 +/-    0.90       5.1 +/-    0.90  0.030 / 0.030
G05     134.8          66.6                7.3 +/-    0.98       7.8 +/-    0.98  0.030 / 0.040
G06     57.5           9.7                 6.2 +/-    2.14      17.5 +/-    2.14  0.030 / 0.040
G12     188.1          58.6                7.1 +/-    0.68       8.1 +/-    0.68  0.030 / 0.040
G25     285.9          56.6                5.0 +/-    3.27       5.9 +/-    3.27  0.190 / 0.260
G29     311.4          32.3                4.7 +/-    0.95       7.8 +/-    0.95  0.210 / 0.300