PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-20:43:10
G02     11.4           69.8                9.0 +/-    0.53       9.5 +/-    0.53  0.150 / 0.360
G05     157.4          45.5               14.0 +/-    0.62      18.8 +/-    0.62  0.150 / 0.330
G06     44.9           30.1                7.2 +/-    1.12      12.5 +/-    1.12  0.050 / 0.110
G12     278.4          78.5                8.6 +/-    0.58       8.8 +/-    0.58  0.050 / 0.100
G19     85.5           19.0                9.3 +/-    1.10      20.8 +/-    1.10  0.040 / 0.040
G24     220.1          14.6               14.1 +/-    3.09      35.5 +/-    3.09  0.040 / 0.040
G25     313.5          38.8                8.2 +/-    2.37      12.2 +/-    2.37  0.030 / 0.040
G29     294.9          17.1                9.2 +/-    3.73      21.8 +/-    3.73  0.030 / 0.040