PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/05-23:27:30
G02     284.7          81.3                9.8 +/-    0.52       9.9 +/-    0.52  0.150 / 0.280
G05     167.6          24.2               16.7 +/-    1.07      33.3 +/-    1.07  0.110 / 0.300
G06     39.0           52.5                9.4 +/-    0.36      11.5 +/-    0.36  0.040 / 0.030
G12     319.9          57.6                9.0 +/-    1.12      10.4 +/-    1.12  0.040 / 0.040
G17     77.4           17.1               11.1 +/-    1.15      26.2 +/-    1.15  0.060 / 0.120
G19     65.2           32.9               10.4 +/-    0.58      17.2 +/-    0.58  0.070 / 0.120
G24     236.1          29.4               12.6 +/-    1.51      22.3 +/-    1.51  0.040 / 0.050
G25     317.4          19.8                8.9 +/-    1.43      19.6 +/-    1.43  0.030 / 0.050