PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/06-00:42:30
G10     290.5          49.4                9.8 +/-    0.62      12.5 +/-    0.62  0.060 / 0.090
G15     47.8           35.4                7.1 +/-    0.43      11.2 +/-    0.43  0.070 / 0.100
G20     294.5          49.6               18.0 +/-    0.93      22.8 +/-    0.93  0.060 / 0.160
G21     74.2           77.1                8.8 +/-    0.83       9.0 +/-    0.83  0.070 / 0.140
G24     101.1          24.4                8.8 +/-    1.64      17.4 +/-    1.64  0.050 / 0.050
G27     305.5          31.8               10.0 +/-    1.01      16.8 +/-    1.01  0.050 / 0.040
G29     168.9          13.0               10.4 +/-    2.97      27.1 +/-    2.97  0.080 / 0.300
G32     208.3          29.0               12.2 +/-    1.11      21.9 +/-    1.11  0.080 / 0.240