PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-23:43:10
G10     271.1          40.6               15.6 +/-    1.70      22.5 +/-    1.70  0.180 / 0.250
G13     40.3           15.3                9.6 +/-    3.45      23.8 +/-    3.45  0.160 / 0.180
G15     57.6           48.9               12.4 +/-    0.85      15.9 +/-    0.85  0.050 / 0.040
G16     273.9          11.0               15.6 +/-    5.11      42.7 +/-    5.11  0.040 / 0.040
G20     274.3          37.1               10.5 +/-    0.81      16.1 +/-    0.81  0.140 / 0.260
G21     9.2            73.7               13.8 +/-    0.78      14.3 +/-    0.78  0.120 / 0.190
G24     115.7          16.5               13.2 +/-    0.92      31.8 +/-    0.92  0.110 / 0.230
G27     317.0          21.5               11.5 +/-    3.34      24.5 +/-    3.34  0.120 / 0.250
G29     168.7          28.4               14.7 +/-    1.67      26.6 +/-    1.67  0.230 / 0.470
G32     204.4          14.1               18.7 +/-    2.98      47.6 +/-    2.98  0.250 / 0.260