PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/18-22:12:30
G08     298.3          21.7                8.6 +/-    1.64      18.2 +/-    1.64  0.050 / 0.120
G10     6.8            62.7                8.8 +/-    0.31       9.8 +/-    0.31  0.050 / 0.140
G14     227.1          41.9               11.5 +/-    1.28      16.2 +/-    1.28  0.060 / 0.080
G20     63.7           52.5                9.5 +/-    1.46      11.6 +/-    1.46  0.050 / 0.080
G21     145.8          43.4               11.6 +/-    1.22      15.9 +/-    1.22  0.060 / 0.100
G24     59.2           27.2                6.9 +/-    1.06      12.8 +/-    1.06  0.050 / 0.110
G27     256.9          33.2               11.1 +/-    1.44      18.3 +/-    1.44  0.090 / 0.210
G32     241.2          66.6               10.4 +/-    0.91      11.2 +/-    0.91  0.070 / 0.160