PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-00:43:10
G02     2.3            74.6               10.0 +/-    0.81      10.3 +/-    0.81  0.020 / 0.030
G05     160.6          39.3               15.9 +/-    0.78      23.4 +/-    0.78  0.030 / 0.030
G06     43.2           35.3                9.9 +/-    0.78      15.7 +/-    0.78  0.040 / 0.070
G12     299.8          76.0                9.8 +/-    0.45      10.1 +/-    0.45  0.060 / 0.070
G17     88.8           11.5               13.8 +/-    1.64      37.2 +/-    1.64  0.040 / 0.040
G19     78.9           25.5               13.0 +/-    1.24      25.1 +/-    1.24  0.030 / 0.040
G24     224.6          19.3               13.9 +/-    2.08      31.1 +/-    2.08  0.060 / 0.110
G25     316.3          32.6               10.7 +/-    1.86      17.8 +/-    1.86  0.060 / 0.110
G29     289.5          11.0               -0.4 +/-   25.22      -1.0 +/-   25.22  0.050 / 0.060