PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/25-17:12:50
G01     224.0          15.3                9.4 +/-    7.51      23.1 +/-    7.51  0.110 / 0.260
G03     274.3          70.9                9.4 +/-    1.01       9.9 +/-    1.01  0.170 / 0.430
G14     89.1           21.7                7.5 +/-    1.85      15.8 +/-    1.85  0.110 / 0.240
G16     149.9          45.0               11.0 +/-    0.86      14.8 +/-    0.86  0.110 / 0.270
G22     205.0          67.0                9.9 +/-    0.44      10.6 +/-    0.44  0.040 / 0.030
G23     308.5          38.0                7.7 +/-    1.56      11.5 +/-    1.56  0.030 / 0.030
G26     101.6          56.1                9.3 +/-    0.64      11.0 +/-    0.64  0.050 / 0.060
G31     45.5           32.7                7.2 +/-    1.21      11.9 +/-    1.21  0.050 / 0.070