PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/13-01:28:00
G08     321.1          10.4              -13.9 +/-   30.66     -38.5 +/-   30.66  0.040 / 0.050
G10     299.7          52.1                8.9 +/-    0.68      11.0 +/-    0.68  0.040 / 0.050
G14     210.6          15.6               13.2 +/-    4.03      32.3 +/-    4.03  0.070 / 0.110
G15     46.0           28.1                2.2 +/-    4.87       4.0 +/-    4.87  0.080 / 0.120
G18     0.5            65.8              -70.8 +/-   52.97     -76.8 +/-   52.97  0.070 / 0.070
G20     73.5           15.5                7.4 +/-    1.66      18.2 +/-    1.66  0.070 / 0.080
G24     96.6           27.4               10.6 +/-    1.12      19.6 +/-    1.12  0.160 / 0.420
G27     296.1          36.0                9.4 +/-    1.90      14.6 +/-    1.90  0.150 / 0.280
G32     212.1          33.0               -1.5 +/-   14.63      -2.5 +/-   14.63  0.140 / 0.540