PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-16:28:10
G08     319.5          12.5                5.8 +/-    1.50      15.4 +/-    1.50  0.040 / 0.050
G10     305.8          54.6                7.7 +/-    1.06       9.2 +/-    1.06  0.040 / 0.050
G14     211.4          16.9               11.3 +/-    3.81      26.7 +/-    3.81  0.050 / 0.050
G15     45.7           24.9                5.7 +/-    0.62      11.2 +/-    0.62  0.050 / 0.050
G20     5.1            64.8                7.3 +/-    0.65       8.0 +/-    0.65  0.120 / 0.240
G21     113.3          67.7                7.9 +/-    0.35       8.5 +/-    0.35  0.100 / 0.270
G24     86.7           27.2                8.9 +/-    1.09      16.5 +/-    1.09  0.130 / 0.330
G27     297.1          34.7                8.7 +/-    1.14      13.8 +/-    1.14  0.130 / 0.240
G32     212.9          36.3               10.9 +/-    0.75      16.9 +/-    0.75  0.080 / 0.160