PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-15:43:10
G10     268.9          39.7               11.2 +/-    1.10      16.4 +/-    1.10  0.040 / 0.040
G13     41.1           16.7                5.7 +/-    0.93      13.7 +/-    0.93  0.040 / 0.040
G15     58.6           49.0                6.8 +/-    0.88       8.7 +/-    0.88  0.110 / 0.300
G16     278.8          11.6                7.8 +/-    2.10      21.1 +/-    2.10  0.190 / 0.360
G20     301.0          61.1                8.4 +/-    0.66       9.4 +/-    0.66  0.060 / 0.080
G21     16.8           73.6                9.3 +/-    0.96       9.6 +/-    0.96  0.060 / 0.080
G24     114.6          15.6               10.4 +/-    1.32      25.5 +/-    1.32  0.040 / 0.110
G27     319.0          18.1                5.9 +/-    0.70      13.6 +/-    0.70  0.050 / 0.100
G29     167.2          28.4                9.3 +/-    0.47      16.9 +/-    0.47  0.110 / 0.210