PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/08-00:13:00
G01     319.3          16.9                9.5 +/-    1.85      22.5 +/-    1.85  0.020 / 0.030
G08     257.2          13.8               13.6 +/-    2.31      34.9 +/-    2.31  0.030 / 0.030
G10     76.8           54.7               12.2 +/-    0.46      14.6 +/-    0.46  0.120 / 0.200
G11     303.4          23.5               10.2 +/-    1.30      20.7 +/-    1.30  0.100 / 0.190
G14     296.6          71.0               11.6 +/-    0.56      12.2 +/-    0.56  0.050 / 0.050
G18     100.7          29.8               14.1 +/-    0.55      24.8 +/-    0.55  0.050 / 0.050
G31     179.1          37.8               16.6 +/-    1.08      25.0 +/-    1.08  0.050 / 0.070
G32     355.3          70.0               10.7 +/-    0.55      11.3 +/-    0.55  0.050 / 0.080