PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-23:27:30
G10     292.0          50.7               12.3 +/-    0.73      15.3 +/-    0.73  0.070 / 0.090
G15     47.1           32.3                8.1 +/-    0.97      13.6 +/-    0.97  0.060 / 0.080
G20     341.1          65.2                9.1 +/-    0.67       9.9 +/-    0.67  0.040 / 0.040
G21     75.3           76.8               11.4 +/-    0.71      11.7 +/-    0.71  0.050 / 0.050
G24     103.7          24.6               10.1 +/-    1.14      19.8 +/-    1.14  0.070 / 0.160
G27     305.9          31.8               10.4 +/-    1.26      17.6 +/-    1.26  0.060 / 0.140
G29     167.8          11.8               11.8 +/-    2.17      31.5 +/-    2.17  0.060 / 0.060
G32     208.5          26.7               12.6 +/-    0.64      23.8 +/-    0.64  0.050 / 0.040