PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-15:43:00
G01     241.7          30.7               10.8 +/-    1.03      18.6 +/-    1.03  0.050 / 0.130
G03     312.8          54.8                7.2 +/-    1.08       8.6 +/-    1.08  0.050 / 0.140
G14     69.0           35.0                7.8 +/-    0.65      12.3 +/-    0.65  0.050 / 0.070
G16     163.0          22.7               10.2 +/-    1.78      21.0 +/-    1.78  0.040 / 0.060
G18     212.1          19.7                9.4 +/-    2.21      20.9 +/-    2.21  0.040 / 0.040
G22     280.7          75.2                8.5 +/-    0.85       8.8 +/-    0.85  0.030 / 0.040
G23     292.4          23.6                7.8 +/-    1.20      15.8 +/-    1.20  0.080 / 0.230
G26     134.2          43.3               11.3 +/-    0.60      15.6 +/-    0.60  0.070 / 0.160
G31     40.1           52.8                7.2 +/-    0.50       8.8 +/-    0.50  0.070 / 0.110
G32     82.3           21.1                8.1 +/-    1.84      17.3 +/-    1.84  0.080 / 0.130