PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-15:57:40
G02     226.3          66.0                9.9 +/-    1.65      10.7 +/-    1.65  0.060 / 0.090
G06     44.0           63.0                9.4 +/-    0.52      10.4 +/-    0.52  0.060 / 0.080
G12     322.6          50.2                7.2 +/-    0.92       9.1 +/-    0.92  0.030 / 0.050
G17     66.1           24.9                7.9 +/-    5.29      15.5 +/-    5.29  0.030 / 0.050
G19     46.0           46.2                8.7 +/-    0.83      11.5 +/-    0.83  0.030 / 0.030
G24     250.9          38.5                9.6 +/-    1.72      14.3 +/-    1.72  0.030 / 0.030