PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/04-00:12:50
G08     317.0          14.5                9.5 +/-    1.22      24.0 +/-    1.22  0.060 / 0.130
G10     310.2          55.3                9.9 +/-    0.49      11.8 +/-    0.49  0.060 / 0.110
G14     212.9          21.8               14.6 +/-    2.07      30.7 +/-    2.07  0.040 / 0.050
G15     45.6           21.3               10.5 +/-    1.14      22.3 +/-    1.14  0.030 / 0.040
G18     16.6           63.9               10.5 +/-    0.76      11.5 +/-    0.76  0.040 / 0.090
G20     78.1           11.6               13.0 +/-    1.90      34.9 +/-    1.90  0.040 / 0.070
G21     119.0          66.5               13.2 +/-    0.50      14.3 +/-    0.50  0.050 / 0.070
G24     89.0           29.4               12.9 +/-    0.99      22.8 +/-    0.99  0.050 / 0.090
G27     287.8          37.7               10.4 +/-    0.85      15.8 +/-    0.85  0.090 / 0.240
G32     215.7          38.8               12.3 +/-    1.16      18.3 +/-    1.16  0.100 / 0.310