PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/28-22:12:50
G01     315.1          25.5                6.6 +/-    1.06      12.8 +/-    1.06  0.120 / 0.420
G10     93.2           47.1                8.2 +/-    0.66      10.7 +/-    0.66  0.160 / 0.350
G11     292.8          27.1                7.4 +/-    0.99      13.8 +/-    0.99  0.070 / 0.150
G14     327.0          70.8               10.0 +/-    0.71      10.5 +/-    0.71  0.070 / 0.150
G18     292.2          47.7                9.4 +/-    0.85      12.2 +/-    0.85  0.060 / 0.060
G20     112.9          22.3                8.7 +/-    0.74      18.0 +/-    0.74  0.070 / 0.050
G22     305.1          16.3                5.9 +/-    2.00      14.3 +/-    2.00  0.090 / 0.200
G25     89.2           12.2                8.0 +/-    1.68      21.2 +/-    1.68  0.080 / 0.180
G31     174.4          51.5               12.5 +/-    1.23      15.4 +/-    1.23  0.130 / 0.460
G32     23.2           60.4                8.0 +/-    0.62       9.0 +/-    0.62  0.220 / 0.330