PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-17:57:40
G08     305.6          21.3                8.2 +/-    1.63      17.4 +/-    1.63  0.090 / 0.150
G10     338.2          60.9                7.9 +/-    0.52       8.9 +/-    0.52  0.150 / 0.150
G14     219.3          33.7               10.9 +/-    1.65      17.8 +/-    1.65  0.090 / 0.090
G15     47.4           10.0                7.2 +/-    3.45      20.0 +/-    3.45  0.070 / 0.080
G20     42.6           59.2                9.6 +/-    0.67      10.9 +/-    0.67  0.040 / 0.050
G21     136.7          52.1               11.0 +/-    0.31      13.5 +/-    0.31  0.040 / 0.050
G24     66.6           27.5                7.0 +/-    1.44      12.9 +/-    1.44  0.060 / 0.080
G27     274.2          36.5                9.4 +/-    1.18      14.6 +/-    1.18  0.070 / 0.070
G32     225.4          54.4               10.0 +/-    2.98      12.0 +/-    2.98  0.120 / 0.290