PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/09-00:57:40
G08     290.2          23.5                6.7 +/-    1.23      13.6 +/-    1.23  0.030 / 0.020
G10     8.3            63.2                6.5 +/-    1.11       7.2 +/-    1.11  0.030 / 0.020
G14     231.7          49.4                9.3 +/-    2.55      11.9 +/-    2.55  0.130 / 0.120
G18     64.7           50.9                7.5 +/-    0.50       9.4 +/-    0.50  0.240 / 0.110
G21     146.6          37.9               10.8 +/-    0.80      16.2 +/-    0.80  0.100 / 0.100
G24     56.0           26.1                9.2 +/-    2.17      17.6 +/-    2.17  0.160 / 0.140
G27     251.1          30.6                7.3 +/-    2.72      12.6 +/-    2.72  0.040 / 0.080
G32     247.1          66.4                9.3 +/-    0.51      10.0 +/-    0.51  0.040 / 0.090