PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-01:12:00
G02     48.4           42.0                8.3 +/-    1.12      11.7 +/-    1.12  0.030 / 0.060
G05     88.3           68.5               10.4 +/-    0.64      11.1 +/-    0.64  0.050 / 0.060
G12     187.3          47.6               14.0 +/-    1.51      18.2 +/-    1.51  0.030 / 0.030
G25     264.5          58.0               11.1 +/-    1.25      12.9 +/-    1.25  0.020 / 0.030
G29     318.6          40.8               10.0 +/-    1.85      14.3 +/-    1.85  0.040 / 0.040