PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/30-02:27:40
G08     320.4          11.2               -1.0 +/-   54.75      -2.6 +/-   54.75  0.240 / 0.210
G10     301.5          52.7               19.0 +/-   32.44      23.2 +/-   32.44  0.150 / 0.280
G14     211.0          16.8               21.3 +/-   30.17      50.7 +/-   30.17  0.030 / 0.090
G15     45.9           27.6               10.6 +/-   34.15      19.5 +/-   34.15  0.050 / 0.230
G18     2.2            65.6              -35.5 +/-   80.66     -38.6 +/-   80.66  0.080 / 0.130
G20     74.4           14.5               11.5 +/-   31.57      29.0 +/-   31.57  0.060 / 0.340
G21     106.1          71.9               22.4 +/-   33.09      23.4 +/-   33.09  0.040 / 0.110
G24     95.2           27.8               16.1 +/-   33.01      29.6 +/-   33.01  0.040 / 0.280
G27     294.7          36.4               19.3 +/-   32.68      29.9 +/-   32.68  0.090 / 0.340
G32     212.6          34.7               19.9 +/-   32.54      31.8 +/-   32.54  0.110 / 0.440