PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/11-21:28:10
G08     319.8          11.9               10.3 +/-    2.47      27.5 +/-    2.47  0.070 / 0.120
G10     304.2          53.6               16.3 +/-    0.94      19.7 +/-    0.94  0.080 / 0.140
G14     211.6          17.9               25.7 +/-    2.96      59.5 +/-    2.96  0.030 / 0.040
G15     45.5           23.5               11.0 +/-    0.99      22.3 +/-    0.99  0.030 / 0.040
G18     10.9           64.7               15.1 +/-    0.74      16.5 +/-    0.74  0.060 / 0.080
G20     75.1           14.9               13.1 +/-    1.72      32.6 +/-    1.72  0.060 / 0.080
G21     112.8          68.2               18.2 +/-    0.50      19.4 +/-    0.50  0.110 / 0.470
G24     93.4           28.4               18.3 +/-    1.07      33.1 +/-    1.07  0.110 / 0.330
G27     292.7          36.9               17.7 +/-    1.21      27.1 +/-    1.21  0.070 / 0.120
G32     213.8          34.1               25.7 +/-    1.11      41.5 +/-    1.11  0.070 / 0.110