PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-00:27:50
G01     285.9          42.5               10.2 +/-    1.28      14.2 +/-    1.28  0.050 / 0.080
G03     312.5          17.9                7.2 +/-    2.80      16.7 +/-    2.80  0.050 / 0.080
G10     121.3          25.0                7.9 +/-    0.71      15.5 +/-    0.71  0.040 / 0.050
G11     264.7          24.0                8.7 +/-    2.07      17.3 +/-    2.07  0.040 / 0.050
G14     22.7           59.4                8.5 +/-    1.16       9.7 +/-    1.16  0.100 / 0.130
G18     248.3          46.6                9.5 +/-    4.07      12.6 +/-    4.07  0.050 / 0.080
G22     314.2          38.7                7.2 +/-    0.95      10.6 +/-    0.95  0.070 / 0.150
G25     65.7           18.7                6.0 +/-    0.94      13.7 +/-    0.94  0.110 / 0.180
G31     107.9          78.9                8.7 +/-    0.43       8.8 +/-    0.43  0.070 / 0.090
G32     53.2           40.1                6.7 +/-    1.19       9.8 +/-    1.19  0.050 / 0.070