PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-09:13:00
G01     219.8          11.6                4.6 +/-    1.19      12.4 +/-    1.19  0.030 / 0.040
G03     258.9          71.2                4.5 +/-    0.84       4.7 +/-    0.84  0.030 / 0.040
G09     298.1          11.5               -1.8 +/-   24.88      -5.0 +/-   24.88  0.040 / 0.030
G14     92.8           19.6                3.4 +/-    2.05       7.6 +/-    2.05  0.040 / 0.040
G16     139.4          51.5                5.3 +/-    0.99       6.6 +/-    0.99  0.220 / 0.370
G22     201.7          62.9                5.6 +/-    0.58       6.2 +/-    0.58  0.160 / 0.400
G23     315.4          45.9                4.6 +/-    0.70       6.1 +/-    0.70  0.100 / 0.230
G26     83.7           54.4                5.5 +/-    0.37       6.6 +/-    0.37  0.120 / 0.250
G31     48.9           24.6                3.1 +/-    2.24       6.1 +/-    2.24  0.040 / 0.060