PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/16-01:28:10
G08     317.5          14.1                7.8 +/-    2.61      19.9 +/-    2.61  0.070 / 0.110
G10     308.9          54.9                7.8 +/-    0.98       9.3 +/-    0.98  0.080 / 0.090
G14     212.6          21.2               10.6 +/-    2.16      22.6 +/-    2.16  0.030 / 0.030
G15     45.6           22.7                7.4 +/-    2.53      15.3 +/-    2.53  0.030 / 0.040
G18     13.7           64.4                8.2 +/-    1.15       9.0 +/-    1.15  0.070 / 0.100
G20     77.7           11.7                8.8 +/-    1.55      23.8 +/-    1.55  0.080 / 0.100
G21     117.2          67.8               11.2 +/-    0.85      12.0 +/-    0.85  0.070 / 0.040
G24     89.9           29.2               10.2 +/-    1.53      18.1 +/-    1.53  0.070 / 0.040
G27     288.8          37.6                7.5 +/-    1.54      11.4 +/-    1.54  0.040 / 0.070
G32     215.1          38.8               10.6 +/-    1.22      15.7 +/-    1.22  0.050 / 0.080