PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/04-19:43:00
G05     49.4           15.8               10.8 +/-    1.82      26.3 +/-    1.82  0.040 / 0.060
G10     237.8          16.2               16.2 +/-    1.72      39.2 +/-    1.72  0.050 / 0.090
G13     71.1           34.9               13.7 +/-    1.22      21.8 +/-    1.22  0.060 / 0.130
G15     121.5          54.1               15.0 +/-    0.30      18.1 +/-    0.30  0.070 / 0.140
G16     311.4          13.6                9.8 +/-    1.80      25.2 +/-    1.80  0.030 / 0.040
G20     251.4          39.8               15.2 +/-    1.25      22.2 +/-    1.25  0.030 / 0.040
G21     315.7          48.0               13.2 +/-    1.00      17.0 +/-    1.00  0.120 / 0.320
G26     284.6          19.9               11.0 +/-    2.12      24.2 +/-    2.12  0.110 / 0.360
G29     155.5          69.7               15.1 +/-    0.66      16.0 +/-    0.66  0.090 / 0.280