PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/01-00:12:50
G08     269.2          19.5               12.1 +/-    1.34      27.0 +/-    1.34  0.070 / 0.160
G10     53.1           60.3               13.9 +/-    0.93      15.7 +/-    0.93  0.070 / 0.150
G11     312.9          16.1               12.6 +/-    2.63      30.6 +/-    2.63  0.090 / 0.260
G14     261.5          65.4               12.0 +/-    0.68      13.0 +/-    0.68  0.080 / 0.290
G18     88.4           38.5               15.3 +/-    0.91      22.8 +/-    0.91  0.020 / 0.030
G21     153.2          16.9               13.6 +/-    0.93      32.4 +/-    0.93  0.020 / 0.030
G24     41.8           13.9               11.8 +/-    0.92      30.1 +/-    0.92  0.120 / 0.370
G27     233.0          17.7               16.7 +/-    1.81      38.9 +/-    1.81  0.100 / 0.300
G31     181.0          24.5               16.4 +/-    0.90      32.5 +/-    0.90  0.040 / 0.070
G32     311.3          74.8               13.0 +/-    0.85      13.4 +/-    0.85  0.050 / 0.060