PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-13:42:50
G02     28.2           58.7                4.5 +/-    0.62       5.1 +/-    0.62  0.030 / 0.030
G05     152.1          56.4                7.4 +/-    0.54       8.7 +/-    0.54  0.040 / 0.040
G06     51.2           18.1                3.1 +/-    2.76       7.2 +/-    2.76  0.030 / 0.030
G12     199.6          71.9                4.8 +/-    0.95       5.0 +/-    0.95  0.030 / 0.030
G19     96.7           10.3                6.9 +/-    2.82      19.0 +/-    2.82  0.180 / 0.240
G25     303.3          49.6                3.7 +/-    4.61       4.7 +/-    4.61  0.140 / 0.250
G29     303.4          23.9                5.0 +/-    0.73      10.1 +/-    0.73  0.180 / 0.090