PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/09-14:57:20
G02     22.8           62.7                7.0 +/-    0.67       7.8 +/-    0.67  0.040 / 0.050
G05     155.0          54.3               10.7 +/-    0.84      12.8 +/-    0.84  0.050 / 0.050
G06     50.6           20.0                6.5 +/-    2.07      14.3 +/-    2.07  0.030 / 0.020
G12     203.6          73.4                8.4 +/-    0.36       8.7 +/-    0.36  0.020 / 0.030
G19     93.4           16.8                8.0 +/-    1.54      19.1 +/-    1.54  0.200 / 0.160
G25     302.5          51.9                7.1 +/-    4.64       8.8 +/-    4.64  0.120 / 0.270
G29     302.7          23.1                5.8 +/-    1.35      11.8 +/-    1.35  0.120 / 0.170