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                8.8 +/-    1.07      22.3 +/-    1.07  0.100 / 0.190
G10     238.6          15.4               12.9 +/-    2.77      31.8 +/-    2.77  0.100 / 0.200
G13     70.6           35.7               10.1 +/-    0.70      15.8 +/-    0.70  0.060 / 0.070
G15     124.9          54.3               10.4 +/-    0.61      12.5 +/-    0.61  0.070 / 0.060
G16     309.1          14.7                7.8 +/-    3.25      19.5 +/-    3.25  0.110 / 0.410
G20     242.3          4.0                 5.3 +/-    1.30      16.4 +/-    1.30  0.130 / 0.390
G21     315.8          48.6               10.2 +/-    0.86      13.1 +/-    0.86  0.080 / 0.080
G26     281.8          20.4                8.4 +/-    2.03      18.4 +/-    2.03  0.090 / 0.100
G29     159.0          69.4               11.0 +/-    0.50      11.6 +/-    0.50  0.030 / 0.030