PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/29-21:12:30
G02     353.0          76.4                7.8 +/-    0.47       8.0 +/-    0.47  0.120 / 0.190
G05     162.1          37.7               12.3 +/-    0.72      18.7 +/-    0.72  0.120 / 0.230
G06     43.1           35.3                7.7 +/-    1.05      12.1 +/-    1.05  0.040 / 0.080
G12     299.7          77.3                8.2 +/-    0.82       8.4 +/-    0.82  0.040 / 0.080
G17     88.9           10.0                9.3 +/-    2.61      25.8 +/-    2.61  0.060 / 0.120
G19     77.2           27.1                8.7 +/-    1.07      16.3 +/-    1.07  0.060 / 0.130
G24     224.6          19.8               12.0 +/-    0.63      26.5 +/-    0.63  0.030 / 0.030
G25     316.5          32.3                8.8 +/-    1.09      14.8 +/-    1.09  0.030 / 0.030