PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-01:28:00
G02     29.9           58.3               10.9 +/-    0.47      12.5 +/-    0.47  0.020 / 0.030
G05     143.4          58.7               14.2 +/-    0.66      16.3 +/-    0.66  0.030 / 0.040
G06     51.5           18.9                9.2 +/-    2.26      20.8 +/-    2.26  0.040 / 0.040
G12     206.0          72.5               12.8 +/-    0.74      13.3 +/-    0.74  0.030 / 0.040
G19     96.0           13.7               12.4 +/-    2.15      31.9 +/-    2.15  0.040 / 0.060
G25     303.6          49.6                9.6 +/-    0.52      12.2 +/-    0.52  0.050 / 0.050
G29     303.8          24.0                9.3 +/-    1.44      18.6 +/-    1.44  0.060 / 0.060