PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-20:58:00
G02     254.6          78.4               16.3 +/-    0.59      16.6 +/-    0.59  0.090 / 0.120
G05     169.8          19.5               18.9 +/-    0.92      42.0 +/-    0.92  0.110 / 0.130
G06     39.6           55.9               15.3 +/-    0.32      18.1 +/-    0.32  0.140 / 0.370
G12     320.8          52.9               15.8 +/-    1.31      19.3 +/-    1.31  0.170 / 0.490
G17     72.8           21.1               14.5 +/-    0.99      31.0 +/-    0.99  0.030 / 0.040
G19     60.7           35.6               14.7 +/-    0.46      23.1 +/-    0.46  0.030 / 0.030
G24     241.4          32.6               18.8 +/-    1.00      31.2 +/-    1.00  0.040 / 0.060
G25     316.8          14.8               13.1 +/-    2.46      32.6 +/-    2.46  0.040 / 0.070