PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-01:12:30
G03     240.5          68.3                8.1 +/-    0.43       8.7 +/-    0.43  0.040 / 0.040
G09     304.5          21.0                5.9 +/-    2.22      12.7 +/-    2.22  0.040 / 0.040
G14     98.5           17.3                7.8 +/-    2.01      18.4 +/-    2.01  0.110 / 0.220
G16     121.2          58.9                7.6 +/-    0.62       8.7 +/-    0.62  0.110 / 0.260
G22     198.1          55.6               10.0 +/-    0.75      11.9 +/-    0.75  0.110 / 0.210
G23     320.2          50.1                8.4 +/-    1.18      10.6 +/-    1.18  0.140 / 0.280
G26     67.9           50.8                5.3 +/-    0.90       6.6 +/-    0.90  0.030 / 0.030
G31     53.0           18.0                5.0 +/-    1.74      11.6 +/-    1.74  0.030 / 0.040