PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/17-20:57:40
G08     269.5          19.2               10.3 +/-    2.08      23.1 +/-    2.08  0.100 / 0.220
G10     54.6           60.0                9.4 +/-    0.46      10.6 +/-    0.46  0.100 / 0.170
G11     313.3          15.5                8.7 +/-    2.37      21.4 +/-    2.37  0.180 / 0.410
G14     261.9          65.1               12.4 +/-    1.16      13.5 +/-    1.16  0.140 / 0.320
G18     89.7           37.1               11.3 +/-    1.05      17.3 +/-    1.05  0.080 / 0.110
G21     152.8          14.3               13.3 +/-    2.43      33.6 +/-    2.43  0.070 / 0.110
G24     41.5           13.3                7.8 +/-    4.24      20.2 +/-    4.24  0.110 / 0.140
G27     232.7          17.4               11.5 +/-    2.31      27.0 +/-    2.31  0.230 / 0.160
G31     181.1          24.9               12.7 +/-    0.98      24.9 +/-    0.98  0.040 / 0.020
G32     320.2          75.1               10.7 +/-    0.62      11.0 +/-    0.62  0.030 / 0.030