PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/02-23:58:10
G08     271.9          20.4               12.6 +/-    2.28      27.4 +/-    2.28  0.030 / 0.030
G10     47.7           61.1               12.4 +/-    0.51      14.0 +/-    0.51  0.030 / 0.030
G11     314.4          14.3               11.3 +/-    2.08      28.7 +/-    2.08  0.110 / 0.260
G14     256.2          63.6               13.0 +/-    0.80      14.3 +/-    0.80  0.120 / 0.290
G18     85.8           40.1               13.1 +/-    0.71      19.0 +/-    0.71  0.090 / 0.290
G21     152.6          19.4               15.5 +/-    3.17      34.6 +/-    3.17  0.090 / 0.300
G24     43.1           15.7               11.8 +/-    1.32      28.8 +/-    1.32  0.050 / 0.050
G27     235.1          19.5               17.3 +/-    1.62      38.5 +/-    1.62  0.050 / 0.070
G31     181.5          21.8               19.4 +/-    2.09      40.9 +/-    2.09  0.090 / 0.140
G32     300.0          74.7               12.9 +/-    0.62      13.4 +/-    0.62  0.060 / 0.110