PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-21:12:30
G02     293.9          81.2               14.8 +/-    0.67      15.0 +/-    0.67  0.140 / 0.320
G05     167.1          25.8               18.6 +/-    1.34      35.7 +/-    1.34  0.160 / 0.280
G06     39.5           49.2               13.8 +/-    0.63      17.5 +/-    0.63  0.040 / 0.030
G12     319.3          59.9               13.4 +/-    0.94      15.3 +/-    0.94  0.040 / 0.030
G17     78.4           17.1               14.3 +/-    1.08      33.9 +/-    1.08  0.090 / 0.160
G19     67.2           31.4               14.2 +/-    1.58      24.2 +/-    1.58  0.110 / 0.140
G24     235.1          28.3               17.2 +/-    1.55      31.1 +/-    1.55  0.040 / 0.060
G25     317.4          20.8               12.3 +/-    2.32      26.6 +/-    2.32  0.050 / 0.040