PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/27-22:58:00
G01     318.3          19.4                9.9 +/-    2.91      22.2 +/-    2.91  0.120 / 0.390
G08     254.9          12.2               13.6 +/-    1.23      36.1 +/-    1.23  0.130 / 0.400
G10     81.7           53.0                9.5 +/-    0.69      11.6 +/-    0.69  0.140 / 0.230
G11     301.1          24.5               11.6 +/-    1.89      22.9 +/-    1.89  0.170 / 0.320
G14     305.8          71.3                9.9 +/-    0.71      10.4 +/-    0.71  0.030 / 0.030
G18     103.5          27.3               12.0 +/-    1.87      22.3 +/-    1.87  0.040 / 0.030
G22     301.1          10.9                2.6 +/-   12.52       7.2 +/-   12.52  0.040 / 0.050
G31     179.6          40.1               11.9 +/-    2.02      17.3 +/-    2.02  0.040 / 0.050
G32     4.5            67.7                9.7 +/-    0.75      10.4 +/-    0.75  0.180 / 0.460