PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-17:42:40
G08     290.1          23.9               10.0 +/-    1.56      20.1 +/-    1.56  0.060 / 0.100
G10     11.4           62.9                9.1 +/-    0.60      10.1 +/-    0.60  0.050 / 0.110
G14     230.7          48.1               10.9 +/-    1.35      14.0 +/-    1.35  0.040 / 0.040
G20     67.2           51.5               10.1 +/-    0.32      12.5 +/-    0.32  0.030 / 0.030
G21     146.6          36.3               12.3 +/-    0.92      19.1 +/-    0.92  0.070 / 0.080
G24     51.5           21.7                8.1 +/-    1.20      17.0 +/-    1.20  0.080 / 0.080
G27     255.9          31.2               10.8 +/-    1.10      18.5 +/-    1.10  0.160 / 0.200
G32     247.4          68.0               10.3 +/-    1.44      11.0 +/-    1.44  0.180 / 0.180