PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/24-17:42:30
G02     242.0          74.6                9.8 +/-    0.67      10.1 +/-    0.67  0.380 / 0.630
G05     171.6          16.2                9.9 +/-    1.38      23.9 +/-    1.38  0.280 / 0.320
G06     40.3           57.6                9.2 +/-    0.37      10.7 +/-    0.37  0.060 / 0.110
G12     321.0          50.9                8.4 +/-    0.56      10.5 +/-    0.56  0.060 / 0.140
G17     69.2           24.7                9.0 +/-    2.37      17.8 +/-    2.37  0.030 / 0.040
G19     58.1           37.0                7.9 +/-    1.25      12.1 +/-    1.25  0.040 / 0.040
G24     245.4          34.4               12.4 +/-    1.71      20.0 +/-    1.71  0.060 / 0.060
G25     316.3          11.7               -4.7 +/-   30.36     -12.6 +/-   30.36  0.060 / 0.080