PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-00:12:00
G02     45.6           44.5                7.0 +/-    0.48       9.5 +/-    0.48  0.030 / 0.050
G05     98.4           69.0                8.5 +/-    0.75       9.1 +/-    0.75  0.030 / 0.050
G12     187.7          50.6                8.7 +/-    1.25      10.9 +/-    1.25  0.050 / 0.070
G25     270.6          58.2                8.6 +/-    0.66       9.9 +/-    0.66  0.060 / 0.060
G29     316.5          38.1                8.8 +/-    1.20      13.3 +/-    1.20  0.050 / 0.080