PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-23:28:00
G10     300.3          53.4                8.8 +/-    1.45      10.7 +/-    1.45  0.270 / 0.600
G14     210.3          11.1               -1.8 +/-   25.25      -4.9 +/-   25.25  0.210 / 0.450
G15     46.0           27.5                7.2 +/-    1.83      13.3 +/-    1.83  0.050 / 0.050
G20     354.8          65.2                9.4 +/-    0.55      10.2 +/-    0.55  0.040 / 0.040
G21     96.8           74.3                9.9 +/-    0.32      10.3 +/-    0.32  0.090 / 0.100
G24     97.9           27.0               10.0 +/-    1.23      18.8 +/-    1.23  0.090 / 0.200
G27     300.3          34.5                8.6 +/-    1.18      13.8 +/-    1.18  0.080 / 0.120
G32     210.6          32.2                9.9 +/-    1.05      16.6 +/-    1.05  0.090 / 0.140