PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/05-22:43:10
G13     45.7           22.8                7.4 +/-    1.70      15.2 +/-    1.70  0.440 / 0.420
G15     69.1           53.9                9.3 +/-    0.83      11.2 +/-    0.83  0.200 / 0.260
G16     286.7          14.5                6.4 +/-    2.20      16.2 +/-    2.20  0.040 / 0.040
G20     284.1          56.3                9.3 +/-    2.36      10.9 +/-    2.36  0.040 / 0.040
G21     346.3          66.0                9.5 +/-    0.98      10.3 +/-    0.98  0.090 / 0.170
G26     259.8          11.5                9.8 +/-    3.63      26.4 +/-    3.63  0.120 / 0.210
G27     321.7          12.1                2.2 +/-   26.04       5.8 +/-   26.04  0.040 / 0.040
G29     165.7          39.4               10.4 +/-    1.23      15.2 +/-    1.23  0.040 / 0.070