PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/06-18:13:00
G05     87.9           70.1                8.6 +/-    0.57       9.1 +/-    0.57  0.110 / 0.570
G12     183.9          42.1               10.5 +/-    0.66      14.7 +/-    0.66  0.030 / 0.030
G21     262.5          10.0               -7.4 +/-    5.50     -20.7 +/-    5.50  0.030 / 0.030
G25     253.5          58.0                8.7 +/-    0.59      10.0 +/-    0.59  0.060 / 0.090
G29     320.5          43.3                8.2 +/-    0.90      11.3 +/-    0.90  0.060 / 0.080