PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/24-06:58:00
G03     194.4          26.1               12.3 +/-   10.40      23.5 +/-   10.40  0.050 / 0.090
G07     287.8          36.9               13.7 +/-   10.50      21.0 +/-   10.50  0.040 / 0.090
G08     142.1          25.7               10.8 +/-    8.40      20.8 +/-    8.40  0.150 / 0.430
G09     321.8          61.3               15.1 +/-    9.36      17.0 +/-    9.36  0.150 / 0.320
G16     44.5           46.1                3.3 +/-    1.19       4.4 +/-    1.19  0.040 / 0.040
G22     178.5          10.5                8.0 +/-    8.57      22.1 +/-    8.57  0.040 / 0.040
G23     81.2           83.5               15.9 +/-    9.19      15.9 +/-    9.19  0.070 / 0.140
G26     43.2           18.2                6.9 +/-    9.25      15.8 +/-    9.25  0.070 / 0.150
G27     102.3          32.1               13.0 +/-    9.26      21.8 +/-    9.26  0.030 / 0.060