PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-01:57:40
G08     269.7          17.2                9.2 +/-    1.42      21.7 +/-    1.42  0.150 / 0.230
G10     66.9           56.0                8.7 +/-    0.71      10.3 +/-    0.71  0.170 / 0.320
G11     310.7          17.7               -3.7 +/-   14.61      -8.6 +/-   14.61  0.240 / 0.550
G14     269.1          66.6                8.0 +/-    0.84       8.7 +/-    0.84  0.180 / 0.380
G18     311.2          34.3                6.6 +/-    0.79      10.5 +/-    0.79  0.040 / 0.060
G20     97.8           35.1                7.5 +/-    0.73      11.9 +/-    0.73  0.040 / 0.050
G21     155.7          14.2                9.7 +/-    2.82      24.6 +/-    2.82  0.070 / 0.120
G27     230.5          14.9               11.5 +/-    2.33      28.6 +/-    2.33  0.060 / 0.120
G31     176.5          33.7               10.3 +/-    2.11      16.7 +/-    2.11  0.020 / 0.030
G32     343.9          73.4                7.6 +/-    0.37       7.9 +/-    0.37  0.030 / 0.020