PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/25-00:58:00
G01     270.0          40.8               11.8 +/-    1.04      16.9 +/-    1.04  0.050 / 0.110
G03     315.7          28.3               10.2 +/-    0.94      18.5 +/-    0.94  0.050 / 0.090
G10     130.0          17.3               10.0 +/-    1.63      23.4 +/-    1.63  0.040 / 0.060
G11     249.1          20.6               15.5 +/-    1.95      33.5 +/-    1.95  0.040 / 0.060
G14     45.2           48.9                8.4 +/-    0.68      10.7 +/-    0.68  0.100 / 0.320
G22     314.0          51.1                9.5 +/-    0.80      11.9 +/-    0.80  0.100 / 0.360
G25     50.5           15.8                7.3 +/-    1.99      17.8 +/-    1.99  0.020 / 0.030
G26     151.9          23.3               12.9 +/-    1.64      26.3 +/-    1.64  0.030 / 0.030
G31     59.9           78.4                8.2 +/-    0.73       8.3 +/-    0.73  0.050 / 0.070
G32     63.0           34.5                7.0 +/-    0.89      11.2 +/-    0.89  0.050 / 0.080