PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-18:42:40
G02     37.1           51.5               10.2 +/-    1.15      12.7 +/-    1.15  0.030 / 0.060
G05     125.5          67.1               12.7 +/-    0.51      13.7 +/-    0.51  0.040 / 0.050
G06     57.4           10.1                8.7 +/-    3.14      24.2 +/-    3.14  0.030 / 0.040
G12     193.0          61.1               13.0 +/-    0.62      14.6 +/-    0.62  0.030 / 0.040
G25     286.6          56.3                9.6 +/-    0.97      11.2 +/-    0.97  0.050 / 0.060
G29     312.0          33.3               10.4 +/-    1.49      17.1 +/-    1.49  0.050 / 0.050