PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-05:28:10
G02     44.2           45.2                4.6 +/-    0.69       6.2 +/-    0.69  0.030 / 0.040
G05     106.7          68.9                6.4 +/-    0.44       6.8 +/-    0.44  0.030 / 0.050
G06     58.8           11.8                2.7 +/-    2.14       7.3 +/-    2.14  0.030 / 0.050
G12     192.8          56.6                8.6 +/-    0.76      10.1 +/-    0.76  0.030 / 0.050
G25     270.6          59.5                6.6 +/-    0.83       7.5 +/-    0.83  0.030 / 0.040
G29     318.7          41.9                4.8 +/-    0.95       6.7 +/-    0.95  0.030 / 0.040