PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/06-05:43:10
G10     252.7          28.2               12.0 +/-    1.64      21.8 +/-    1.64  0.190 / 0.640
G13     51.6           28.8                9.1 +/-    1.87      16.4 +/-    1.87  0.110 / 0.530
G15     81.0           56.6               10.5 +/-    0.96      12.3 +/-    0.96  0.040 / 0.050
G16     292.7          15.4                7.4 +/-    2.95      18.2 +/-    2.95  0.050 / 0.050
G20     324.0          71.1                9.7 +/-    0.75      10.2 +/-    0.75  0.050 / 0.040
G21     336.5          61.8                9.6 +/-    0.39      10.8 +/-    0.39  0.040 / 0.050
G26     264.3          14.6                9.7 +/-    1.26      24.4 +/-    1.26  0.070 / 0.140
G29     165.7          47.6               10.0 +/-    0.53      13.1 +/-    0.53  0.070 / 0.160