PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/09-01:28:10
G02     50.4           39.8                9.4 +/-    1.77      13.7 +/-    1.77  0.030 / 0.050
G05     80.7           67.7                9.9 +/-    0.74      10.6 +/-    0.74  0.040 / 0.050
G12     189.3          47.8               12.4 +/-    0.49      16.1 +/-    0.49  0.040 / 0.040
G25     257.1          57.9                8.8 +/-    1.26      10.1 +/-    1.26  0.030 / 0.050
G29     323.3          47.1               10.9 +/-    0.70      14.2 +/-    0.70  0.030 / 0.030