PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/26-13:28:00
G02     201.5          18.8                6.4 +/-    1.42      14.4 +/-    1.42  0.090 / 0.130
G06     168.4          55.6                7.7 +/-    0.48       9.1 +/-    0.48  0.100 / 0.120
G13     225.1          12.7                4.4 +/-    4.51      11.6 +/-    4.51  0.030 / 0.040
G17     18.4           61.4                6.0 +/-    0.66       6.8 +/-    0.66  0.050 / 0.040
G19     331.9          71.1                5.5 +/-    1.17       5.8 +/-    1.17  0.040 / 0.030
G24     309.5          29.4                5.1 +/-    1.08       9.1 +/-    1.08  0.040 / 0.040
G28     84.1           44.6                6.5 +/-    0.86       8.8 +/-    0.86  0.180 / 0.300
G30     157.5          14.1                6.7 +/-    1.32      17.0 +/-    1.32  0.340 / 0.300