PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/18-16:43:00
G05     49.1           17.7                7.1 +/-    2.09      16.5 +/-    2.09  0.140 / 0.180
G10     237.8          16.4               11.2 +/-    2.03      26.9 +/-    2.03  0.150 / 0.130
G13     70.9           34.8                9.2 +/-    0.96      14.6 +/-    0.96  0.120 / 0.480
G15     117.2          54.3                9.1 +/-    0.67      11.0 +/-    0.67  0.130 / 0.410
G16     310.9          13.8                7.9 +/-    2.98      20.3 +/-    2.98  0.050 / 0.080
G20     251.9          41.0               10.9 +/-    2.80      15.6 +/-    2.80  0.040 / 0.060
G21     316.2          48.4                9.3 +/-    0.81      12.0 +/-    0.81  0.080 / 0.120
G26     284.6          19.8                7.9 +/-    1.45      17.4 +/-    1.45  0.060 / 0.120
G29     155.8          70.3               10.3 +/-    0.93      10.9 +/-    0.93  0.210 / 0.210