PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/28-16:42:40
G02     70.6           24.1               12.7 +/-    0.85      25.4 +/-    0.85  0.030 / 0.050
G05     46.6           50.2               12.3 +/-    0.57      15.5 +/-    0.57  0.030 / 0.040
G12     180.4          17.5               14.3 +/-    1.94      33.4 +/-    1.94  0.090 / 0.210
G13     114.1          24.3               13.5 +/-    1.12      26.9 +/-    1.12  0.080 / 0.220
G15     155.5          24.6               17.5 +/-    1.39      34.4 +/-    1.39  0.050 / 0.090
G20     225.9          11.3               10.0 +/-   32.82      27.2 +/-   32.82  0.050 / 0.080
G21     283.5          25.4               13.8 +/-    1.69      26.8 +/-    1.69  0.080 / 0.240
G25     220.9          40.7               13.9 +/-    1.66      20.0 +/-    1.66  0.100 / 0.160
G26     317.8          11.3                1.8 +/-   22.05       4.9 +/-   22.05  0.070 / 0.210
G29     338.7          68.2               12.4 +/-    0.97      13.2 +/-    0.97  0.060 / 0.250