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                9.7 +/-    0.67       9.8 +/-    0.67  0.020 / 0.040
G05     165.7          28.6               15.3 +/-    0.53      27.6 +/-    0.53  0.030 / 0.040
G06     40.5           45.4                7.9 +/-    0.42      10.6 +/-    0.42  0.090 / 0.190
G12     318.0          65.3                8.8 +/-    0.87       9.6 +/-    0.87  0.080 / 0.150
G17     79.8           17.9               10.0 +/-    1.00      23.2 +/-    1.00  0.050 / 0.090
G19     68.7           32.0               11.0 +/-    0.91      18.4 +/-    0.91  0.070 / 0.100
G24     233.1          26.8               16.2 +/-    1.96      30.4 +/-    1.96  0.080 / 0.180
G25     317.8          22.7                8.0 +/-    2.20      16.6 +/-    2.20  0.080 / 0.160