PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-14:12:20
G02     33.8           54.1                6.7 +/-    0.55       8.1 +/-    0.55  0.030 / 0.040
G05     143.6          62.3                8.8 +/-    0.96       9.9 +/-    0.96  0.040 / 0.040
G06     54.4           13.6                3.5 +/-    1.26       9.0 +/-    1.26  0.040 / 0.050
G12     192.7          65.4                6.8 +/-    1.76       7.4 +/-    1.76  0.050 / 0.060
G25     295.4          53.7                6.6 +/-    1.19       8.0 +/-    1.19  0.040 / 0.060
G29     307.7          28.3                3.1 +/-    0.72       5.6 +/-    0.72  0.050 / 0.060