PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/29-13:57:30
G02     206.4          37.9               10.0 +/-    1.19      15.0 +/-    1.19  0.070 / 0.080
G06     141.2          75.4                8.0 +/-    0.52       8.2 +/-    0.52  0.060 / 0.090
G12     310.2          20.2                6.1 +/-    1.93      13.4 +/-    1.93  0.130 / 0.250
G17     38.9           47.0                5.4 +/-    0.34       7.1 +/-    0.34  0.100 / 0.240
G19     16.4           60.3                6.3 +/-    0.67       7.1 +/-    0.67  0.060 / 0.160
G24     291.3          39.8                6.1 +/-    0.86       8.8 +/-    0.86  0.050 / 0.120
G28     105.1          32.9                6.5 +/-    0.51      10.8 +/-    0.51  0.030 / 0.040