PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/29-15:27:50
G08     313.0          17.7                5.1 +/-    2.41      11.9 +/-    2.41  0.220 / 0.210
G10     322.0          58.4                5.7 +/-    0.94       6.6 +/-    0.94  0.140 / 0.180
G14     214.9          25.9                6.7 +/-    1.64      12.9 +/-    1.64  0.040 / 0.030
G15     46.0           16.1                5.7 +/-    3.53      13.8 +/-    3.53  0.040 / 0.040
G20     26.1           62.5                8.0 +/-    1.62       8.9 +/-    1.62  0.040 / 0.040
G21     128.2          58.5                7.6 +/-    0.53       8.7 +/-    0.53  0.040 / 0.040
G24     76.7           28.5                6.0 +/-    1.45      10.8 +/-    1.45  0.130 / 0.160
G27     286.0          36.6                6.9 +/-    1.50      10.7 +/-    1.50  0.120 / 0.190
G32     218.4          45.0                8.1 +/-    1.46      10.9 +/-    1.46  0.080 / 0.090