PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/02-23:13:00
G02     60.7           32.1                8.5 +/-    2.13      14.3 +/-    2.13  0.100 / 0.110
G05     55.4           59.0                9.9 +/-    0.48      11.4 +/-    0.48  0.060 / 0.150
G12     182.7          28.8               10.0 +/-    2.06      18.0 +/-    2.06  0.030 / 0.030
G13     126.6          16.4               10.8 +/-    3.17      26.0 +/-    3.17  0.030 / 0.030
G15     164.1          12.9               11.4 +/-    2.56      29.8 +/-    2.56  0.130 / 0.240
G21     272.5          17.7               12.6 +/-    2.74      29.5 +/-    2.74  0.280 / 0.300
G25     234.0          50.6               10.7 +/-    2.78      13.4 +/-    2.78  0.030 / 0.030
G29     328.6          55.2                9.6 +/-    0.56      11.5 +/-    0.56  0.030 / 0.030