PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-21:42:30
G02     37.0           51.6                8.5 +/-    1.06      10.5 +/-    1.06  0.040 / 0.050
G05     126.9          66.0                9.1 +/-    0.65       9.9 +/-    0.65  0.030 / 0.050
G06     56.1           12.3                6.1 +/-    1.04      16.2 +/-    1.04  0.070 / 0.050
G12     196.7          64.1                9.7 +/-    0.37      10.6 +/-    0.37  0.050 / 0.070
G25     289.4          55.8                7.1 +/-    1.64       8.4 +/-    1.64  0.030 / 0.040
G29     311.5          33.1                8.7 +/-    1.32      14.3 +/-    1.32  0.030 / 0.040