PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/04-23:57:40
G08     320.2          11.5                6.8 +/-   33.76      18.4 +/-   33.76  0.060 / 0.040
G10     302.5          53.0               16.7 +/-    0.95      20.3 +/-    0.95  0.040 / 0.040
G14     211.2          17.2               26.4 +/-    2.11      62.2 +/-    2.11  0.030 / 0.030
G15     45.7           25.5               16.0 +/-    1.87      30.8 +/-    1.87  0.040 / 0.040
G18     6.3            65.3               16.4 +/-    1.06      17.9 +/-    1.06  0.090 / 0.130
G20     74.6           14.7               14.3 +/-    2.27      35.7 +/-    2.27  0.100 / 0.130
G21     109.0          70.5               19.4 +/-    0.97      20.4 +/-    0.97  0.130 / 0.350
G24     94.6           28.0               19.1 +/-    1.12      34.8 +/-    1.12  0.110 / 0.310
G27     294.0          36.6               20.4 +/-    1.19      31.4 +/-    1.19  0.060 / 0.070
G32     213.1          34.0               21.1 +/-    2.17      34.2 +/-    2.17  0.080 / 0.110