PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/01-20:58:10
G10     296.9          51.8               11.0 +/-    0.64      13.6 +/-    0.64  0.050 / 0.050
G14     210.1          10.8               -1.6 +/-   32.32      -4.5 +/-   32.32  0.050 / 0.050
G15     46.9           33.0                8.5 +/-    0.91      14.0 +/-    0.91  0.070 / 0.110
G20     351.2          65.4                9.0 +/-    1.43       9.8 +/-    1.43  0.060 / 0.100
G21     95.2           74.1               11.3 +/-    0.78      11.7 +/-    0.78  0.080 / 0.130
G24     95.0           26.0               12.9 +/-    1.07      24.7 +/-    1.07  0.070 / 0.110
G27     302.2          33.2               11.5 +/-    0.88      18.8 +/-    0.88  0.370 / 0.620
G32     210.1          32.3               11.2 +/-    1.33      18.8 +/-    1.33  0.410 / 0.600