PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/07-22:13:10
G08     310.4          18.8               15.3 +/-    1.20      34.7 +/-    1.20  0.040 / 0.050
G10     326.0          58.9               17.6 +/-    1.12      20.2 +/-    1.12  0.050 / 0.050
G14     217.0          30.0               23.4 +/-    2.68      41.0 +/-    2.68  0.060 / 0.060
G15     46.4           12.6               11.9 +/-    1.92      31.3 +/-    1.92  0.040 / 0.050
G18     35.3           60.2               16.9 +/-    0.65      19.1 +/-    0.65  0.070 / 0.140
G21     131.7          57.0               20.7 +/-    0.36      24.2 +/-    0.36  0.060 / 0.130
G24     78.2           30.6               18.3 +/-    0.68      31.5 +/-    0.68  0.120 / 0.230
G27     276.0          37.9               19.6 +/-    1.21      29.6 +/-    1.21  0.070 / 0.180
G32     221.7          46.6               19.6 +/-    1.14      25.9 +/-    1.14  0.070 / 0.080