PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-22:13:00
G10     258.3          34.0                9.9 +/-    1.28      16.0 +/-    1.28  0.140 / 0.420
G13     46.4           23.6                7.8 +/-    0.59      15.7 +/-    0.59  0.180 / 0.360
G15     71.0           54.6                9.3 +/-    0.37      11.1 +/-    0.37  0.140 / 0.350
G16     287.6          14.8                6.7 +/-    1.64      16.6 +/-    1.64  0.130 / 0.400
G20     282.6          55.9               10.3 +/-    0.37      12.2 +/-    0.37  0.040 / 0.050
G21     344.6          65.3                6.5 +/-    0.88       7.1 +/-    0.88  0.040 / 0.060
G26     260.7          12.0                9.3 +/-    2.84      25.0 +/-    2.84  0.070 / 0.120
G27     321.9          11.3               -1.8 +/-   31.43      -4.9 +/-   31.43  0.090 / 0.110
G29     165.5          40.7               11.5 +/-    0.96      16.6 +/-    0.96  0.080 / 0.250