PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/08-00:28:00
G02     316.5          81.5               10.3 +/-    0.49      10.4 +/-    0.49  0.030 / 0.040
G05     165.7          28.6               14.1 +/-    0.66      25.5 +/-    0.66  0.030 / 0.030
G06     40.5           45.4                9.2 +/-    0.98      12.3 +/-    0.98  0.140 / 0.200
G12     318.0          65.3               11.1 +/-    0.29      12.1 +/-    0.29  0.160 / 0.220
G17     79.8           17.9               10.0 +/-    1.16      23.2 +/-    1.16  0.080 / 0.120
G19     68.7           32.0               10.6 +/-    1.60      17.9 +/-    1.60  0.090 / 0.140
G24     233.1          26.8               15.0 +/-    1.97      28.2 +/-    1.97  0.050 / 0.050
G25     317.8          22.7                9.3 +/-    1.64      19.2 +/-    1.64  0.050 / 0.050