PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/28-15:57:40
G02     321.8          79.3                7.5 +/-    0.59       7.7 +/-    0.59  0.250 / 0.230
G05     165.9          31.6               10.7 +/-    1.48      18.2 +/-    1.48  0.260 / 0.250
G06     41.1           40.2                7.1 +/-    1.07      10.3 +/-    1.07  0.120 / 0.230
G12     313.4          70.1                7.7 +/-    0.42       8.1 +/-    0.42  0.140 / 0.290
G17     83.5           14.4                8.4 +/-    1.74      21.2 +/-    1.74  0.070 / 0.130
G19     74.5           26.1                8.7 +/-    1.63      16.5 +/-    1.63  0.080 / 0.130
G24     230.2          23.5               11.1 +/-    2.86      22.4 +/-    2.86  0.040 / 0.030
G25     317.1          26.8                8.0 +/-    1.54      15.1 +/-    1.54  0.030 / 0.030