PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-21:42:20
G02     37.0           51.6                9.5 +/-    0.46      11.7 +/-    0.46  0.040 / 0.060
G05     126.9          66.0               10.1 +/-    0.62      10.9 +/-    0.62  0.040 / 0.050
G06     56.1           12.3                6.7 +/-    1.13      17.7 +/-    1.13  0.050 / 0.070
G12     196.7          64.1                9.6 +/-    0.89      10.5 +/-    0.89  0.040 / 0.050
G25     289.4          55.8                9.4 +/-    0.94      11.2 +/-    0.94  0.030 / 0.040
G29     311.5          33.1                9.8 +/-    1.28      16.2 +/-    1.28  0.030 / 0.050