PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/23-00:12:50
G01     303.4          36.9                7.9 +/-    0.59      12.2 +/-    0.59  0.070 / 0.190
G10     109.2          35.9                8.7 +/-    0.76      13.5 +/-    0.76  0.080 / 0.160
G11     280.2          26.7                9.1 +/-    0.98      17.1 +/-    0.98  0.050 / 0.100
G14     356.4          66.7                7.6 +/-    0.59       8.2 +/-    0.59  0.050 / 0.100
G18     271.4          50.5                8.5 +/-    0.73      10.7 +/-    0.73  0.050 / 0.050
G20     122.7          10.6                7.5 +/-    1.55      20.6 +/-    1.55  0.050 / 0.060
G22     310.8          26.6                6.0 +/-    0.72      11.4 +/-    0.72  0.100 / 0.260
G25     80.4           17.0                6.8 +/-    1.06      16.1 +/-    1.06  0.080 / 0.280
G31     159.2          68.8                9.0 +/-    1.11       9.6 +/-    1.11  0.040 / 0.070
G32     39.6           50.0                7.4 +/-    0.77       9.4 +/-    0.77  0.040 / 0.070