PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/14-23:43:00
G08     312.1          17.9                7.7 +/-    1.64      17.8 +/-    1.64  0.060 / 0.110
G10     321.7          58.0                8.7 +/-    1.06      10.1 +/-    1.06  0.060 / 0.110
G14     215.8          28.1               13.0 +/-    3.33      23.7 +/-    3.33  0.040 / 0.070
G15     46.0           15.1                6.9 +/-    2.73      17.1 +/-    2.73  0.050 / 0.080
G18     30.2           61.4                9.9 +/-    0.79      11.1 +/-    0.79  0.060 / 0.080
G21     128.9          60.1               11.3 +/-    0.62      12.9 +/-    0.62  0.060 / 0.090
G24     81.0           30.5                9.8 +/-    0.77      17.0 +/-    0.77  0.030 / 0.040
G27     278.9          38.1               10.2 +/-    1.75      15.4 +/-    1.75  0.030 / 0.040
G32     220.0          45.0               12.9 +/-    1.89      17.3 +/-    1.89  0.030 / 0.040