PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/14-18:42:30
G10     253.6          29.5               10.5 +/-    1.00      18.6 +/-    1.00  0.040 / 0.080
G13     50.4           27.5                8.8 +/-    1.37      16.3 +/-    1.37  0.040 / 0.050
G15     85.7           59.0               10.5 +/-    0.53      12.0 +/-    0.53  0.150 / 0.600
G16     292.1          15.3                8.6 +/-    3.09      21.3 +/-    3.09  0.150 / 0.460
G20     274.7          53.0               12.3 +/-    0.98      15.0 +/-    0.98  0.080 / 0.180
G21     339.7          63.1               10.0 +/-    0.61      11.1 +/-    0.61  0.060 / 0.180
G26     265.1          14.1                9.6 +/-    1.63      24.3 +/-    1.63  0.020 / 0.040
G29     165.3          46.2               12.5 +/-    0.91      16.6 +/-    0.91  0.030 / 0.050