PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/25-00:13:00
G08     280.5          22.6               14.7 +/-    1.45      30.3 +/-    1.45  0.080 / 0.170
G10     29.3           62.9               13.3 +/-    0.94      14.7 +/-    0.94  0.060 / 0.200
G14     242.5          57.2               16.3 +/-    0.76      19.0 +/-    0.76  0.060 / 0.170
G18     76.4           45.3               14.5 +/-    0.66      19.5 +/-    0.66  0.060 / 0.160
G21     150.3          28.0               17.7 +/-    1.31      32.4 +/-    1.31  0.030 / 0.030
G24     48.4           21.2               11.3 +/-    1.09      24.1 +/-    1.09  0.030 / 0.030
G27     242.2          25.1               17.7 +/-    1.80      34.4 +/-    1.80  0.040 / 0.070
G31     182.9          14.0               22.9 +/-    1.51      58.5 +/-    1.51  0.040 / 0.090
G32     269.5          72.1               14.8 +/-    0.65      15.4 +/-    0.65  0.110 / 0.280