PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-19:43:00
G08     317.7          13.8                7.9 +/-    2.47      20.3 +/-    2.47  0.060 / 0.060
G10     310.4          55.4                7.4 +/-    1.64       8.8 +/-    1.64  0.050 / 0.070
G14     213.0          21.0               13.0 +/-    2.66      27.9 +/-    2.66  0.030 / 0.040
G15     45.5           19.5                8.3 +/-    1.82      18.4 +/-    1.82  0.030 / 0.040
G18     20.2           63.3                8.1 +/-    1.14       9.0 +/-    1.14  0.060 / 0.090
G20     77.5           13.3                7.9 +/-    3.12      20.4 +/-    3.12  0.070 / 0.090
G21     120.5          63.7                9.7 +/-    0.49      10.6 +/-    0.49  0.180 / 0.270
G24     88.8           29.4               12.0 +/-    0.93      21.2 +/-    0.93  0.150 / 0.310
G27     288.0          37.7                5.7 +/-    0.86       8.6 +/-    0.86  0.070 / 0.080
G32     215.6          38.9               12.7 +/-    1.53      18.8 +/-    1.53  0.050 / 0.070