PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/25-01:28:00
G01     315.2          24.8               10.0 +/-    1.70      19.5 +/-    1.70  0.120 / 0.360
G10     91.4           49.1               11.3 +/-    0.60      14.5 +/-    0.60  0.100 / 0.260
G11     293.6          27.5                9.2 +/-    1.74      17.0 +/-    1.74  0.080 / 0.170
G14     329.3          70.9               10.0 +/-    0.89      10.5 +/-    0.89  0.080 / 0.180
G18     108.6          23.2               11.1 +/-    0.95      22.6 +/-    0.95  0.030 / 0.070
G22     304.4          16.0                8.5 +/-    2.60      20.7 +/-    2.60  0.020 / 0.030
G25     91.0           12.1                8.2 +/-    1.87      21.9 +/-    1.87  0.040 / 0.040
G31     176.5          49.4               14.2 +/-    1.49      18.0 +/-    1.49  0.040 / 0.040
G32     15.9           63.4                8.5 +/-    0.94       9.4 +/-    0.94  0.050 / 0.060