PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-22:42:30
G10     245.3          22.2               16.4 +/-    2.57      34.3 +/-    2.57  0.040 / 0.040
G13     59.9           33.0               11.1 +/-    1.42      18.4 +/-    1.42  0.040 / 0.050
G15     106.3          58.5               14.2 +/-    0.47      16.3 +/-    0.47  0.160 / 0.480
G16     300.5          16.0               10.9 +/-    1.92      26.5 +/-    1.92  0.160 / 0.480
G20     250.4          18.8                9.0 +/-    4.16      20.3 +/-    4.16  0.090 / 0.110
G21     325.0          54.9               12.2 +/-    0.66      14.6 +/-    0.66  0.080 / 0.120
G26     272.5          18.1               13.5 +/-    1.44      31.0 +/-    1.44  0.030 / 0.030
G29     163.2          58.7               13.3 +/-    0.66      15.2 +/-    0.66  0.030 / 0.040