PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-15:28:10
G01     221.8          13.2                6.1 +/-    2.85      15.8 +/-    2.85  0.160 / 0.650
G03     259.6          72.1                8.6 +/-    0.49       9.0 +/-    0.49  0.170 / 0.670
G14     91.5           19.9                6.9 +/-    1.60      15.2 +/-    1.60  0.110 / 0.250
G16     148.2          47.6               10.7 +/-    1.20      13.9 +/-    1.20  0.120 / 0.260
G22     197.8          63.1                9.1 +/-    0.37      10.1 +/-    0.37  0.040 / 0.020
G23     311.1          40.8                5.7 +/-    1.75       8.2 +/-    1.75  0.040 / 0.040
G26     93.3           56.1                7.5 +/-    1.18       8.8 +/-    1.18  0.040 / 0.040
G31     47.1           29.1                5.9 +/-    1.41      10.6 +/-    1.41  0.040 / 0.040