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                8.2 +/-    0.71      11.4 +/-    0.71  0.060 / 0.090
G03     312.5          17.9                7.9 +/-    1.13      18.3 +/-    1.13  0.050 / 0.090
G10     121.3          25.0                9.5 +/-    0.73      18.5 +/-    0.73  0.050 / 0.090
G11     264.7          24.0               10.2 +/-    1.22      20.3 +/-    1.22  0.040 / 0.090
G14     22.7           59.4                8.4 +/-    0.50       9.6 +/-    0.50  0.040 / 0.060
G18     248.3          46.6               11.0 +/-    0.75      14.5 +/-    0.75  0.040 / 0.050
G22     314.2          38.7                7.6 +/-    1.68      11.3 +/-    1.68  0.110 / 0.240
G25     65.7           18.7                6.7 +/-    0.76      15.3 +/-    0.76  0.090 / 0.210
G31     107.9          78.9                9.0 +/-    0.60       9.2 +/-    0.60  0.080 / 0.190
G32     53.2           40.1                8.1 +/-    0.46      11.8 +/-    0.46  0.070 / 0.240