PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/25-00:43:00
G08     266.7          18.6               14.3 +/-    1.06      32.7 +/-    1.06  0.120 / 0.480
G10     58.0           59.5               12.9 +/-    0.69      14.7 +/-    0.69  0.130 / 0.460
G11     311.2          17.8               10.2 +/-    1.87      23.8 +/-    1.87  0.160 / 0.210
G14     267.2          66.9               12.4 +/-    0.85      13.3 +/-    0.85  0.170 / 0.230
G18     90.8           37.0               14.0 +/-    0.86      21.3 +/-    0.86  0.030 / 0.030
G21     153.7          14.8               17.6 +/-    1.96      43.9 +/-    1.96  0.020 / 0.020
G24     40.7           12.1               10.0 +/-    1.13      26.7 +/-    1.13  0.050 / 0.060
G27     231.1          16.1               17.6 +/-    2.28      42.7 +/-    2.28  0.040 / 0.050
G31     180.3          27.3               17.1 +/-    1.62      31.8 +/-    1.62  0.070 / 0.130
G32     322.4          74.5               12.7 +/-    0.59      13.1 +/-    0.59  0.050 / 0.110