PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/28-21:13:00
G05     50.1           14.4                7.8 +/-    1.16      19.6 +/-    1.16  0.090 / 0.450
G10     238.6          15.4               13.7 +/-    1.62      33.7 +/-    1.62  0.120 / 0.280
G13     70.6           35.7               10.4 +/-    1.11      16.3 +/-    1.11  0.040 / 0.070
G15     124.9          54.3               11.4 +/-    1.14      13.7 +/-    1.14  0.040 / 0.070
G16     309.1          14.7                9.0 +/-    2.59      22.6 +/-    2.59  0.100 / 0.380
G20     242.3          4.0                 5.6 +/-    1.04      17.2 +/-    1.04  0.100 / 0.380
G21     315.8          48.6                9.7 +/-    0.96      12.5 +/-    0.96  0.050 / 0.120
G26     281.8          20.4                9.8 +/-    2.48      21.4 +/-    2.48  0.050 / 0.150
G29     159.0          69.4               12.4 +/-    1.41      13.1 +/-    1.41  0.030 / 0.050