PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/08-00:42:40
G02     350.7          77.8               10.4 +/-    0.34      10.6 +/-    0.34  0.020 / 0.030
G05     162.7          35.2               14.1 +/-    1.70      22.3 +/-    1.70  0.030 / 0.020
G06     41.9           39.1                9.1 +/-    0.99      13.4 +/-    0.99  0.150 / 0.140
G12     309.9          72.2               10.4 +/-    0.72      10.9 +/-    0.72  0.170 / 0.170
G17     85.4           14.0               10.0 +/-    1.47      25.6 +/-    1.47  0.170 / 0.250
G19     75.1           27.9               10.0 +/-    2.01      18.3 +/-    2.01  0.100 / 0.220
G24     227.7          22.2               15.3 +/-    2.47      31.9 +/-    2.47  0.050 / 0.060
G25     317.2          28.8                9.3 +/-    1.09      16.8 +/-    1.09  0.040 / 0.060