PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/29-21:28:00
G08     317.5          14.3                7.1 +/-    1.36      17.9 +/-    1.36  0.050 / 0.080
G10     311.6          56.0                9.3 +/-    1.09      10.9 +/-    1.09  0.050 / 0.080
G14     212.9          19.4               13.5 +/-    2.52      30.1 +/-    2.52  0.160 / 0.510
G15     45.9           24.7                8.4 +/-    0.91      16.5 +/-    0.91  0.230 / 0.400
G20     13.4           64.1                9.3 +/-    0.56      10.2 +/-    0.56  0.040 / 0.050
G21     118.5          67.4               10.7 +/-    1.02      11.4 +/-    1.02  0.030 / 0.050
G24     84.5           28.4                9.7 +/-    0.97      17.6 +/-    0.97  0.110 / 0.290
G27     291.4          36.4                9.7 +/-    0.87      15.0 +/-    0.87  0.100 / 0.390
G32     214.7          41.7               13.5 +/-    1.65      19.2 +/-    1.65  0.060 / 0.130