PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/24-00:42:50
G08     321.2          10.4              -15.2 +/-   27.11     -42.0 +/-   27.11  0.080 / 0.150
G10     299.7          52.1                8.1 +/-    0.91       9.9 +/-    0.91  0.080 / 0.120
G14     210.7          15.6               13.4 +/-    4.22      33.0 +/-    4.22  0.040 / 0.060
G15     46.0           27.6                7.7 +/-    0.98      14.2 +/-    0.98  0.040 / 0.050
G18     1.3            65.8                8.7 +/-    0.66       9.5 +/-    0.66  0.080 / 0.070
G20     73.4           15.7                8.8 +/-    2.25      21.6 +/-    2.25  0.070 / 0.070
G21     103.8          72.1               11.1 +/-    0.92      11.6 +/-    0.92  0.150 / 0.340
G24     96.6           27.4               13.5 +/-    2.16      25.1 +/-    2.16  0.140 / 0.300
G27     296.1          36.0               10.1 +/-    2.56      15.8 +/-    2.56  0.030 / 0.050
G32     212.2          32.6               10.9 +/-    1.09      18.1 +/-    1.09  0.030 / 0.050