PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-23:12:30
G10     256.8          31.6               16.7 +/-    2.24      28.3 +/-    2.24  0.040 / 0.050
G13     47.8           25.5               10.7 +/-    0.70      20.6 +/-    0.70  0.040 / 0.050
G15     77.7           57.5               12.1 +/-    0.26      14.0 +/-    0.26  0.130 / 0.410
G16     287.2          15.1               10.8 +/-    2.03      26.8 +/-    2.03  0.110 / 0.400
G20     261.2          28.0                9.4 +/-    0.61      17.2 +/-    0.61  0.070 / 0.210
G21     341.3          64.3                9.8 +/-    1.21      10.7 +/-    1.21  0.070 / 0.160
G26     259.9          12.7               15.3 +/-    2.62      40.3 +/-    2.62  0.030 / 0.040
G29     166.8          43.4               13.0 +/-    1.06      18.0 +/-    1.06  0.030 / 0.040