PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/05-23:42:50
G10     291.1          50.4              -43.9 +/-   20.40     -55.1 +/-   20.40  0.060 / 0.080
G15     47.2           32.8                6.4 +/-    0.93      10.5 +/-    0.93  0.080 / 0.130
G20     339.3          65.1                7.8 +/-    0.46       8.5 +/-    0.46  0.040 / 0.040
G21     72.6           76.9                8.7 +/-    0.24       8.9 +/-    0.24  0.040 / 0.040
G24     104.3          24.3                9.4 +/-    1.19      18.7 +/-    1.19  0.050 / 0.090
G27     306.5          31.4                8.0 +/-    0.86      13.7 +/-    0.86  0.080 / 0.100
G29     167.8          12.3                9.8 +/-    1.81      25.9 +/-    1.81  0.120 / 0.110
G32     208.3          26.0                8.8 +/-    1.29      16.8 +/-    1.29  0.070 / 0.120