PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/22-22:43:00
G08     269.6          19.5               12.2 +/-    1.93      27.2 +/-    1.93  0.140 / 0.320
G10     53.2           60.3               12.3 +/-    0.84      13.9 +/-    0.84  0.090 / 0.260
G11     313.2          15.7               11.7 +/-    3.38      28.6 +/-    3.38  0.060 / 0.220
G14     261.2          65.1               13.0 +/-    0.97      14.2 +/-    0.97  0.060 / 0.190
G18     88.8           38.0               14.0 +/-    0.73      21.1 +/-    0.73  0.150 / 0.290
G21     153.0          16.1               13.9 +/-    2.43      33.7 +/-    2.43  0.200 / 0.360
G24     41.8           13.8                8.7 +/-    0.93      22.2 +/-    0.93  0.070 / 0.130
G27     233.1          17.8               15.3 +/-    1.90      35.5 +/-    1.90  0.090 / 0.150
G31     181.8          23.4               17.2 +/-    1.51      34.8 +/-    1.51  0.040 / 0.030
G32     313.6          75.0               12.7 +/-    0.90      13.1 +/-    0.90  0.020 / 0.030