PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/22-00:42:50
G08     272.2          20.6               10.8 +/-    2.01      23.5 +/-    2.01  0.030 / 0.030
G10     46.7           61.3               10.0 +/-    0.82      11.2 +/-    0.82  0.030 / 0.020
G11     314.5          14.2                7.6 +/-    3.43      19.2 +/-    3.43  0.140 / 0.250
G14     255.4          63.4               11.3 +/-    0.52      12.5 +/-    0.52  0.150 / 0.300
G18     85.1           40.6                9.1 +/-    1.09      13.1 +/-    1.09  0.020 / 0.020
G21     152.6          20.2               11.5 +/-    2.07      25.1 +/-    2.07  0.020 / 0.020
G24     43.4           16.0                7.2 +/-    2.53      17.6 +/-    2.53  0.240 / 0.410
G27     235.4          19.8               14.4 +/-    3.25      31.7 +/-    3.25  0.130 / 0.360
G31     181.2          21.8               15.4 +/-    2.72      32.5 +/-    2.72  0.120 / 0.190
G32     300.0          74.9                9.7 +/-    0.64      10.0 +/-    0.64  0.100 / 0.150