PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/18-21:28:00
G01     318.3          19.3                8.9 +/-    2.08      20.0 +/-    2.08  0.110 / 0.240
G08     255.4          12.3               12.9 +/-    1.36      34.3 +/-    1.36  0.130 / 0.240
G10     81.7           53.0                9.5 +/-    1.25      11.6 +/-    1.25  0.130 / 0.260
G11     301.5          24.1                9.5 +/-    0.76      19.0 +/-    0.76  0.200 / 0.230
G14     304.6          71.2                8.8 +/-    0.54       9.3 +/-    0.54  0.040 / 0.070
G18     103.7          26.8               10.5 +/-    1.19      19.8 +/-    1.19  0.040 / 0.060
G22     301.1          10.9                1.0 +/-   10.63       2.6 +/-   10.63  0.040 / 0.030
G31     178.5          41.2               12.2 +/-    0.85      17.5 +/-    0.85  0.040 / 0.030
G32     6.5            67.3                8.4 +/-    0.57       9.0 +/-    0.57  0.030 / 0.020