PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-23:58:00
G08     319.1          12.7               11.0 +/-    1.44      28.9 +/-    1.44  0.070 / 0.130
G10     305.3          53.9               13.2 +/-    1.09      15.9 +/-    1.09  0.080 / 0.120
G14     211.8          18.9               19.6 +/-    3.15      44.2 +/-    3.15  0.030 / 0.040
G15     45.6           23.9               11.2 +/-    0.86      22.4 +/-    0.86  0.030 / 0.040
G18     10.3           64.8               12.1 +/-    0.64      13.2 +/-    0.64  0.070 / 0.080
G20     75.9           13.6               11.8 +/-    1.00      30.4 +/-    1.00  0.070 / 0.090
G21     113.1          69.0               14.6 +/-    1.53      15.5 +/-    1.53  0.110 / 0.560
G24     92.5           28.6               15.3 +/-    1.28      27.7 +/-    1.28  0.110 / 0.520
G27     291.7          37.1               15.1 +/-    1.93      23.0 +/-    1.93  0.080 / 0.220
G32     214.0          35.7               17.0 +/-    1.34      26.6 +/-    1.34  0.130 / 0.250