PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-17:27:50
G10     247.4          25.9               11.5 +/-    1.81      22.1 +/-    1.81  0.180 / 0.550
G13     56.5           30.6                9.0 +/-    1.42      15.5 +/-    1.42  0.190 / 0.440
G15     92.1           57.5                9.7 +/-    0.49      11.3 +/-    0.49  0.040 / 0.050
G16     298.8          16.0                7.0 +/-    2.45      16.9 +/-    2.45  0.040 / 0.050
G20     266.6          50.0                9.1 +/-    3.00      11.4 +/-    3.00  0.060 / 0.170
G21     329.4          57.0                8.5 +/-    0.55       9.9 +/-    0.55  0.060 / 0.150
G26     271.7          16.8                9.0 +/-    1.32      21.5 +/-    1.32  0.050 / 0.050
G29     162.5          55.4               10.0 +/-    0.73      11.8 +/-    0.73  0.030 / 0.030