PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/29-16:13:10
G08     318.6          12.8                6.5 +/-    2.63      17.0 +/-    2.63  0.080 / 0.050
G10     310.4          55.4                7.0 +/-    1.88       8.3 +/-    1.88  0.100 / 0.050
G14     213.1          19.9               11.1 +/-    2.50      24.4 +/-    2.50  0.100 / 0.090
G15     45.5           19.0                6.1 +/-    2.26      13.8 +/-    2.26  0.090 / 0.090
G18     22.1           62.9                7.9 +/-    1.31       8.7 +/-    1.31  0.160 / 0.260
G20     76.7           15.1                6.0 +/-    1.54      14.9 +/-    1.54  0.110 / 0.220
G21     120.9          62.6                8.1 +/-    0.59       9.0 +/-    0.59  0.040 / 0.060
G24     88.7           29.4                9.1 +/-    1.25      16.1 +/-    1.25  0.050 / 0.060
G27     288.4          37.6                6.2 +/-    1.28       9.4 +/-    1.28  0.400 / 0.610
G32     215.3          40.4               10.4 +/-    1.48      15.0 +/-    1.48  0.260 / 0.360