PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/18-21:27:50
G01     318.3          19.3               10.5 +/-    3.14      23.4 +/-    3.14  0.110 / 0.400
G08     255.4          12.3               12.5 +/-    1.89      33.2 +/-    1.89  0.150 / 0.410
G10     81.7           53.0                8.5 +/-    0.76      10.4 +/-    0.76  0.060 / 0.070
G11     301.5          24.1                9.9 +/-    2.01      19.7 +/-    2.01  0.050 / 0.070
G14     304.6          71.2                9.2 +/-    0.50       9.7 +/-    0.50  0.140 / 0.300
G18     103.7          26.8               11.5 +/-    1.73      21.6 +/-    1.73  0.150 / 0.270
G22     301.1          10.9                1.2 +/-   13.48       3.4 +/-   13.48  0.030 / 0.030
G31     178.5          41.2               13.6 +/-    1.19      19.4 +/-    1.19  0.030 / 0.030
G32     6.5            67.3                8.9 +/-    0.82       9.6 +/-    0.82  0.050 / 0.050