PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/14-20:27:50
G01     320.8          12.5              -19.1 +/-   21.87     -50.5 +/-   21.87  0.180 / 0.370
G08     261.3          16.5                8.6 +/-    1.27      20.6 +/-    1.27  0.250 / 0.420
G10     69.4           56.1                7.9 +/-    0.69       9.3 +/-    0.69  0.120 / 0.220
G11     307.7          20.6                9.1 +/-    1.92      19.8 +/-    1.92  0.040 / 0.050
G14     277.7          68.8                8.4 +/-    0.73       9.0 +/-    0.73  0.040 / 0.050
G18     308.8          37.4                7.9 +/-    1.32      12.0 +/-    1.32  0.150 / 0.390
G20     99.5           33.6                8.1 +/-    0.84      13.1 +/-    0.84  0.150 / 0.420
G27     230.5          13.6                9.9 +/-    2.08      25.5 +/-    2.08  0.100 / 0.310
G31     178.9          33.2                9.7 +/-    2.70      15.9 +/-    2.70  0.130 / 0.270
G32     351.9          72.0                8.9 +/-    0.31       9.3 +/-    0.31  0.050 / 0.100