PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-09:28:00
G03     236.9          69.2                5.0 +/-    0.42       5.3 +/-    0.42  0.050 / 0.050
G09     302.2          16.3                3.5 +/-    1.26       8.5 +/-    1.26  0.050 / 0.050
G14     98.3           15.3                3.5 +/-    1.77       8.7 +/-    1.77  0.040 / 0.040
G16     129.9          57.3                5.6 +/-    0.89       6.5 +/-    0.89  0.050 / 0.040
G22     195.6          56.0                5.0 +/-    0.41       5.9 +/-    0.41  0.120 / 0.310
G23     320.9          51.0                4.3 +/-    1.20       5.3 +/-    1.20  0.130 / 0.330
G26     72.0           52.4                4.2 +/-    0.69       5.2 +/-    0.69  0.040 / 0.060
G31     52.1           19.4                2.9 +/-    2.13       6.6 +/-    2.13  0.040 / 0.060