PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/17-15:58:00
G01     221.8          13.1                9.2 +/-    3.15      24.1 +/-    3.15  0.160 / 0.670
G03     260.4          71.9                9.4 +/-    0.45       9.8 +/-    0.45  0.110 / 0.280
G09     297.1          10.5              -14.0 +/-   13.22     -38.7 +/-   13.22  0.150 / 0.250
G14     91.7           19.8                7.1 +/-    2.43      15.7 +/-    2.43  0.120 / 0.260
G16     149.0          47.4               10.2 +/-    1.47      13.3 +/-    1.47  0.110 / 0.280
G22     198.5          63.3                8.6 +/-    0.37       9.5 +/-    0.37  0.040 / 0.040
G23     311.1          40.7                6.5 +/-    1.46       9.4 +/-    1.46  0.050 / 0.040
G26     93.6           56.2                9.0 +/-    1.76      10.5 +/-    1.76  0.050 / 0.070
G31     47.1           29.2                6.4 +/-    1.74      11.4 +/-    1.74  0.050 / 0.060